20448613328

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{331}}^1$

素因数の和:474

約数の個数: 240

約数和(自身を含む): 49180280832

約数和(自身を除く): 28731667504

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 31, 44, 52, 62, 67, 88, 104, 124, 134, 143, 169, 176, 208, 248, 268, 286, 331, 338, 341, 403, 496, 536, 572, 662, 676, 682, 737, 806, 871, 1072, 1144, 1324, 1352, 1364, 1474, 1612, 1742, 1859, 2077, 2288, 2648, 2704, 2728, 2948, 3224, 3484, 3641, 3718, 4154, 4303, 4433, 5239, 5296, 5456, 5896, 6448, 6968, 7282, 7436, 8308, 8606, 8866, 9581, 10261, 10478, 11323, 11792, 13936, 14564, 14872, 16616, 17212, 17732, 19162, 20522, 20956, 22177, 22646, 22847, 27001, 29128, 29744, 33232, 34424, 35464, 38324, 41044, 41912, 44354, 45292, 45694, 47333, 54002, 55939, 57629, 58256, 68848, 70928, 76648, 82088, 83824, 88708, 90584, 91388, 94666, 108004, 111878, 112871, 115258, 124553, 133393, 153296, 164176, 177416, 181168, 182776, 189332, 216008, 223756, 225742, 230516, 243947, 249106, 266786, 288301, 297011, 351013, 354832, 365552, 378664, 432016, 447512, 451484, 461032, 487894, 498212, 533572, 576602, 594022, 615329, 687487, 702026, 757328, 895024, 902968, 922064, 975788, 996424, 1067144, 1153204, 1188044, 1230658, 1374974, 1404052, 1467323, 1734109, 1805936, 1951576, 1992848, 2134288, 2306408, 2376088, 2461316, 2749948, 2808104, 2934646, 3171311, 3468218, 3747913, 3861143, 3903152, 4612816, 4752176, 4922632, 5499896, 5616208, 5869292, 6342622, 6936436, 7495826, 7562357, 7722286, 8937331, 9845264, 10999792, 11738584, 12685244, 13872872, 14991652, 15124714, 15444572, 17874662, 19075199, 23477168, 25370488, 27745744, 29983304, 30249428, 30889144, 35749324, 38150398, 41227043, 50740976, 59966608, 60498856, 61778288, 71498648, 76300796, 82454086, 98310641, 116185303, 120997712, 142997296, 152601592, 164908172, 196621282, 232370606, 305203184, 329816344, 393242564, 464741212, 659632688, 786485128, 929482424, 1278038333, 1572970256, 1858964848, 2556076666, 5112153332, 10224306664, 20448613328]

約数ペア:

[(1, 20448613328), (2, 10224306664), (4, 5112153332), (8, 2556076666), (11, 1858964848), (13, 1572970256), (16, 1278038333), (22, 929482424), (26, 786485128), (31, 659632688), (44, 464741212), (52, 393242564), (62, 329816344), (67, 305203184), (88, 232370606), (104, 196621282), (124, 164908172), (134, 152601592), (143, 142997296), (169, 120997712), (176, 116185303), (208, 98310641), (248, 82454086), (268, 76300796), (286, 71498648), (331, 61778288), (338, 60498856), (341, 59966608), (403, 50740976), (496, 41227043), (536, 38150398), (572, 35749324), (662, 30889144), (676, 30249428), (682, 29983304), (737, 27745744), (806, 25370488), (871, 23477168), (1072, 19075199), (1144, 17874662), (1324, 15444572), (1352, 15124714), (1364, 14991652), (1474, 13872872), (1612, 12685244), (1742, 11738584), (1859, 10999792), (2077, 9845264), (2288, 8937331), (2648, 7722286), (2704, 7562357), (2728, 7495826), (2948, 6936436), (3224, 6342622), (3484, 5869292), (3641, 5616208), (3718, 5499896), (4154, 4922632), (4303, 4752176), (4433, 4612816), (5239, 3903152), (5296, 3861143), (5456, 3747913), (5896, 3468218), (6448, 3171311), (6968, 2934646), (7282, 2808104), (7436, 2749948), (8308, 2461316), (8606, 2376088), (8866, 2306408), (9581, 2134288), (10261, 1992848), (10478, 1951576), (11323, 1805936), (11792, 1734109), (13936, 1467323), (14564, 1404052), (14872, 1374974), (16616, 1230658), (17212, 1188044), (17732, 1153204), (19162, 1067144), (20522, 996424), (20956, 975788), (22177, 922064), (22646, 902968), (22847, 895024), (27001, 757328), (29128, 702026), (29744, 687487), (33232, 615329), (34424, 594022), (35464, 576602), (38324, 533572), (41044, 498212), (41912, 487894), (44354, 461032), (45292, 451484), (45694, 447512), (47333, 432016), (54002, 378664), (55939, 365552), (57629, 354832), (58256, 351013), (68848, 297011), (70928, 288301), (76648, 266786), (82088, 249106), (83824, 243947), (88708, 230516), (90584, 225742), (91388, 223756), (94666, 216008), (108004, 189332), (111878, 182776), (112871, 181168), (115258, 177416), (124553, 164176), (133393, 153296)]