20348040076

素因数分解:

$2^2\times 7^3\times {\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{691}}^1$

素因数の和:869

約数の個数: 144

約数和(自身を含む): 45386342400

約数和(自身を除く): 25038302324

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 127, 169, 182, 196, 254, 338, 343, 364, 508, 637, 676, 686, 691, 889, 1183, 1274, 1372, 1382, 1651, 1778, 2366, 2548, 2764, 3302, 3556, 4459, 4732, 4837, 6223, 6604, 8281, 8918, 8983, 9674, 11557, 12446, 16562, 17836, 17966, 19348, 21463, 23114, 24892, 33124, 33859, 35932, 42926, 43561, 46228, 57967, 62881, 67718, 80899, 85852, 87122, 87757, 115934, 116779, 125762, 135436, 150241, 161798, 174244, 175514, 231868, 233558, 237013, 251524, 300482, 323596, 351028, 440167, 467116, 474026, 566293, 600964, 614299, 817453, 880334, 948052, 1051687, 1132586, 1140841, 1228598, 1634906, 1760668, 2103374, 2265172, 2281682, 2457196, 3081169, 3269812, 4206748, 4300093, 4563364, 5722171, 6162338, 7361809, 7985887, 8600186, 11444342, 12324676, 14723618, 14830933, 15971774, 17200372, 22888684, 29447236, 29661866, 30100651, 31943548, 40055197, 55901209, 59323732, 60201302, 80110394, 103816531, 111802418, 120402604, 160220788, 207633062, 223604836, 391308463, 415266124, 726715717, 782616926, 1453431434, 1565233852, 2906862868, 5087010019, 10174020038, 20348040076]

約数ペア:

[(1, 20348040076), (2, 10174020038), (4, 5087010019), (7, 2906862868), (13, 1565233852), (14, 1453431434), (26, 782616926), (28, 726715717), (49, 415266124), (52, 391308463), (91, 223604836), (98, 207633062), (127, 160220788), (169, 120402604), (182, 111802418), (196, 103816531), (254, 80110394), (338, 60201302), (343, 59323732), (364, 55901209), (508, 40055197), (637, 31943548), (676, 30100651), (686, 29661866), (691, 29447236), (889, 22888684), (1183, 17200372), (1274, 15971774), (1372, 14830933), (1382, 14723618), (1651, 12324676), (1778, 11444342), (2366, 8600186), (2548, 7985887), (2764, 7361809), (3302, 6162338), (3556, 5722171), (4459, 4563364), (4732, 4300093), (4837, 4206748), (6223, 3269812), (6604, 3081169), (8281, 2457196), (8918, 2281682), (8983, 2265172), (9674, 2103374), (11557, 1760668), (12446, 1634906), (16562, 1228598), (17836, 1140841), (17966, 1132586), (19348, 1051687), (21463, 948052), (23114, 880334), (24892, 817453), (33124, 614299), (33859, 600964), (35932, 566293), (42926, 474026), (43561, 467116), (46228, 440167), (57967, 351028), (62881, 323596), (67718, 300482), (80899, 251524), (85852, 237013), (87122, 233558), (87757, 231868), (115934, 175514), (116779, 174244), (125762, 161798), (135436, 150241)]