20715879456

素因数分解:

$2^5\times 3^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{16693}}^1$

素因数の和:16879

約数の個数: 144

約数和(自身を含む): 61252289280

約数和(自身を除く): 40536409824

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 72, 93, 96, 124, 139, 144, 186, 248, 278, 279, 288, 372, 417, 496, 556, 558, 744, 834, 992, 1112, 1116, 1251, 1488, 1668, 2224, 2232, 2502, 2976, 3336, 4309, 4448, 4464, 5004, 6672, 8618, 8928, 10008, 12927, 13344, 16693, 17236, 20016, 25854, 33386, 34472, 38781, 40032, 50079, 51708, 66772, 68944, 77562, 100158, 103416, 133544, 137888, 150237, 155124, 200316, 206832, 267088, 300474, 310248, 400632, 413664, 517483, 534176, 600948, 620496, 801264, 1034966, 1201896, 1240992, 1552449, 1602528, 2069932, 2320327, 2403792, 3104898, 4139864, 4640654, 4657347, 4807584, 6209796, 6960981, 8279728, 9281308, 9314694, 12419592, 13921962, 16559456, 18562616, 18629388, 20882943, 24839184, 27843924, 37125232, 37258776, 41765886, 49678368, 55687848, 71930137, 74250464, 74517552, 83531772, 111375696, 143860274, 149035104, 167063544, 215790411, 222751392, 287720548, 334127088, 431580822, 575441096, 647371233, 668254176, 863161644, 1150882192, 1294742466, 1726323288, 2301764384, 2589484932, 3452646576, 5178969864, 6905293152, 10357939728, 20715879456]

約数ペア:

[(1, 20715879456), (2, 10357939728), (3, 6905293152), (4, 5178969864), (6, 3452646576), (8, 2589484932), (9, 2301764384), (12, 1726323288), (16, 1294742466), (18, 1150882192), (24, 863161644), (31, 668254176), (32, 647371233), (36, 575441096), (48, 431580822), (62, 334127088), (72, 287720548), (93, 222751392), (96, 215790411), (124, 167063544), (139, 149035104), (144, 143860274), (186, 111375696), (248, 83531772), (278, 74517552), (279, 74250464), (288, 71930137), (372, 55687848), (417, 49678368), (496, 41765886), (556, 37258776), (558, 37125232), (744, 27843924), (834, 24839184), (992, 20882943), (1112, 18629388), (1116, 18562616), (1251, 16559456), (1488, 13921962), (1668, 12419592), (2224, 9314694), (2232, 9281308), (2502, 8279728), (2976, 6960981), (3336, 6209796), (4309, 4807584), (4448, 4657347), (4464, 4640654), (5004, 4139864), (6672, 3104898), (8618, 2403792), (8928, 2320327), (10008, 2069932), (12927, 1602528), (13344, 1552449), (16693, 1240992), (17236, 1201896), (20016, 1034966), (25854, 801264), (33386, 620496), (34472, 600948), (38781, 534176), (40032, 517483), (50079, 413664), (51708, 400632), (66772, 310248), (68944, 300474), (77562, 267088), (100158, 206832), (103416, 200316), (133544, 155124), (137888, 150237)]