20565874576

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{823}}^1$

素因数の和:1089

約数の個数: 160

約数和(自身を含む): 46964994048

約数和(自身を除く): 26399119472

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 37, 52, 68, 74, 104, 136, 148, 191, 208, 221, 272, 296, 382, 442, 481, 592, 629, 764, 823, 884, 962, 1258, 1528, 1646, 1768, 1924, 2483, 2516, 3056, 3247, 3292, 3536, 3848, 4966, 5032, 6494, 6584, 7067, 7696, 8177, 9932, 10064, 10699, 12988, 13168, 13991, 14134, 16354, 19864, 21398, 25976, 27982, 28268, 30451, 32708, 39728, 42211, 42796, 51952, 55964, 56536, 60902, 65416, 84422, 85592, 91871, 111928, 113072, 120139, 121804, 130832, 157193, 168844, 171184, 181883, 183742, 223856, 240278, 243608, 314386, 337688, 363766, 367484, 395863, 480556, 487216, 517667, 628772, 675376, 727532, 734968, 791726, 961112, 1035334, 1257544, 1455064, 1469936, 1561807, 1583452, 1922224, 2043509, 2070668, 2515088, 2672281, 2910128, 3123614, 3166904, 4087018, 4141336, 5344562, 5816141, 6247228, 6333808, 6729671, 8174036, 8282672, 10689124, 11632282, 12494456, 13459342, 16348072, 21378248, 23264564, 24988912, 26918684, 32696144, 34739653, 42756496, 46529128, 53837368, 69479306, 75609833, 93058256, 98874397, 107674736, 138958612, 151219666, 197748794, 277917224, 302439332, 395497588, 555834448, 604878664, 790995176, 1209757328, 1285367161, 1581990352, 2570734322, 5141468644, 10282937288, 20565874576]

約数ペア:

[(1, 20565874576), (2, 10282937288), (4, 5141468644), (8, 2570734322), (13, 1581990352), (16, 1285367161), (17, 1209757328), (26, 790995176), (34, 604878664), (37, 555834448), (52, 395497588), (68, 302439332), (74, 277917224), (104, 197748794), (136, 151219666), (148, 138958612), (191, 107674736), (208, 98874397), (221, 93058256), (272, 75609833), (296, 69479306), (382, 53837368), (442, 46529128), (481, 42756496), (592, 34739653), (629, 32696144), (764, 26918684), (823, 24988912), (884, 23264564), (962, 21378248), (1258, 16348072), (1528, 13459342), (1646, 12494456), (1768, 11632282), (1924, 10689124), (2483, 8282672), (2516, 8174036), (3056, 6729671), (3247, 6333808), (3292, 6247228), (3536, 5816141), (3848, 5344562), (4966, 4141336), (5032, 4087018), (6494, 3166904), (6584, 3123614), (7067, 2910128), (7696, 2672281), (8177, 2515088), (9932, 2070668), (10064, 2043509), (10699, 1922224), (12988, 1583452), (13168, 1561807), (13991, 1469936), (14134, 1455064), (16354, 1257544), (19864, 1035334), (21398, 961112), (25976, 791726), (27982, 734968), (28268, 727532), (30451, 675376), (32708, 628772), (39728, 517667), (42211, 487216), (42796, 480556), (51952, 395863), (55964, 367484), (56536, 363766), (60902, 337688), (65416, 314386), (84422, 243608), (85592, 240278), (91871, 223856), (111928, 183742), (113072, 181883), (120139, 171184), (121804, 168844), (130832, 157193)]