20005128

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1$

素因数の和:132

約数の個数: 192

約数和(自身を含む): 66830400

約数和(自身を除く): 46825272

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 13, 18, 22, 24, 26, 29, 33, 36, 39, 44, 52, 58, 66, 67, 72, 78, 87, 88, 99, 104, 116, 117, 132, 134, 143, 156, 174, 198, 201, 232, 234, 261, 264, 268, 286, 312, 319, 348, 377, 396, 402, 429, 468, 522, 536, 572, 603, 638, 696, 737, 754, 792, 804, 858, 871, 936, 957, 1044, 1131, 1144, 1206, 1276, 1287, 1474, 1508, 1608, 1716, 1742, 1914, 1943, 2088, 2211, 2262, 2412, 2552, 2574, 2613, 2871, 2948, 3016, 3393, 3432, 3484, 3828, 3886, 4147, 4422, 4524, 4824, 5148, 5226, 5742, 5829, 5896, 6633, 6786, 6968, 7656, 7772, 7839, 8294, 8844, 9048, 9581, 10296, 10452, 11484, 11658, 12441, 13266, 13572, 15544, 15678, 16588, 17487, 17688, 19162, 20904, 21373, 22968, 23316, 24882, 25259, 26532, 27144, 28743, 31356, 33176, 34974, 37323, 38324, 42746, 46632, 49764, 50518, 53064, 57486, 62712, 64119, 69948, 74646, 75777, 76648, 85492, 86229, 99528, 101036, 114972, 128238, 139896, 149292, 151554, 170984, 172458, 192357, 202072, 227331, 229944, 256476, 277849, 298584, 303108, 344916, 384714, 454662, 512952, 555698, 606216, 689832, 769428, 833547, 909324, 1111396, 1538856, 1667094, 1818648, 2222792, 2500641, 3334188, 5001282, 6668376, 10002564, 20005128]

約数ペア:

[(1, 20005128), (2, 10002564), (3, 6668376), (4, 5001282), (6, 3334188), (8, 2500641), (9, 2222792), (11, 1818648), (12, 1667094), (13, 1538856), (18, 1111396), (22, 909324), (24, 833547), (26, 769428), (29, 689832), (33, 606216), (36, 555698), (39, 512952), (44, 454662), (52, 384714), (58, 344916), (66, 303108), (67, 298584), (72, 277849), (78, 256476), (87, 229944), (88, 227331), (99, 202072), (104, 192357), (116, 172458), (117, 170984), (132, 151554), (134, 149292), (143, 139896), (156, 128238), (174, 114972), (198, 101036), (201, 99528), (232, 86229), (234, 85492), (261, 76648), (264, 75777), (268, 74646), (286, 69948), (312, 64119), (319, 62712), (348, 57486), (377, 53064), (396, 50518), (402, 49764), (429, 46632), (468, 42746), (522, 38324), (536, 37323), (572, 34974), (603, 33176), (638, 31356), (696, 28743), (737, 27144), (754, 26532), (792, 25259), (804, 24882), (858, 23316), (871, 22968), (936, 21373), (957, 20904), (1044, 19162), (1131, 17688), (1144, 17487), (1206, 16588), (1276, 15678), (1287, 15544), (1474, 13572), (1508, 13266), (1608, 12441), (1716, 11658), (1742, 11484), (1914, 10452), (1943, 10296), (2088, 9581), (2211, 9048), (2262, 8844), (2412, 8294), (2552, 7839), (2574, 7772), (2613, 7656), (2871, 6968), (2948, 6786), (3016, 6633), (3393, 5896), (3432, 5829), (3484, 5742), (3828, 5226), (3886, 5148), (4147, 4824), (4422, 4524)]