2020200424

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{317}}^1\times {\mathrm{521}}^1$

素因数の和:994

約数の個数: 64

約数和(自身を含む): 4183099200

約数和(自身を除く): 2162898776

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 139, 278, 317, 521, 556, 634, 1042, 1112, 1268, 1529, 2084, 2536, 3058, 3487, 4168, 5731, 6116, 6974, 11462, 12232, 13948, 22924, 27896, 44063, 45848, 72419, 88126, 144838, 165157, 176252, 289676, 330314, 352504, 484693, 579352, 660628, 796609, 969386, 1321256, 1593218, 1816727, 1938772, 3186436, 3633454, 3877544, 6372872, 7266908, 14533816, 22956823, 45913646, 91827292, 183654584, 252525053, 505050106, 1010100212, 2020200424]

約数ペア:

[(1, 2020200424), (2, 1010100212), (4, 505050106), (8, 252525053), (11, 183654584), (22, 91827292), (44, 45913646), (88, 22956823), (139, 14533816), (278, 7266908), (317, 6372872), (521, 3877544), (556, 3633454), (634, 3186436), (1042, 1938772), (1112, 1816727), (1268, 1593218), (1529, 1321256), (2084, 969386), (2536, 796609), (3058, 660628), (3487, 579352), (4168, 484693), (5731, 352504), (6116, 330314), (6974, 289676), (11462, 176252), (12232, 165157), (13948, 144838), (22924, 88126), (27896, 72419), (44063, 45848)]