20502384

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{379}}^1$

素因数の和:427

約数の個数: 120

約数和(自身を含む): 64460160

約数和(自身を除く): 43957776

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 42, 46, 48, 49, 56, 69, 84, 92, 98, 112, 138, 147, 161, 168, 184, 196, 276, 294, 322, 336, 368, 379, 392, 483, 552, 588, 644, 758, 784, 966, 1104, 1127, 1137, 1176, 1288, 1516, 1932, 2254, 2274, 2352, 2576, 2653, 3032, 3381, 3864, 4508, 4548, 5306, 6064, 6762, 7728, 7959, 8717, 9016, 9096, 10612, 13524, 15918, 17434, 18032, 18192, 18571, 21224, 26151, 27048, 31836, 34868, 37142, 42448, 52302, 54096, 55713, 61019, 63672, 69736, 74284, 104604, 111426, 122038, 127344, 139472, 148568, 183057, 209208, 222852, 244076, 297136, 366114, 418416, 427133, 445704, 488152, 732228, 854266, 891408, 976304, 1281399, 1464456, 1708532, 2562798, 2928912, 3417064, 5125596, 6834128, 10251192, 20502384]

約数ペア:

[(1, 20502384), (2, 10251192), (3, 6834128), (4, 5125596), (6, 3417064), (7, 2928912), (8, 2562798), (12, 1708532), (14, 1464456), (16, 1281399), (21, 976304), (23, 891408), (24, 854266), (28, 732228), (42, 488152), (46, 445704), (48, 427133), (49, 418416), (56, 366114), (69, 297136), (84, 244076), (92, 222852), (98, 209208), (112, 183057), (138, 148568), (147, 139472), (161, 127344), (168, 122038), (184, 111426), (196, 104604), (276, 74284), (294, 69736), (322, 63672), (336, 61019), (368, 55713), (379, 54096), (392, 52302), (483, 42448), (552, 37142), (588, 34868), (644, 31836), (758, 27048), (784, 26151), (966, 21224), (1104, 18571), (1127, 18192), (1137, 18032), (1176, 17434), (1288, 15918), (1516, 13524), (1932, 10612), (2254, 9096), (2274, 9016), (2352, 8717), (2576, 7959), (2653, 7728), (3032, 6762), (3381, 6064), (3864, 5306), (4508, 4548)]