20189055908

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{881}}^1\times {\mathrm{1553}}^1$

素因数の和:2493

約数の個数: 96

約数和(自身を含む): 44210976768

約数和(自身を除く): 24021920860

約数列:

[1, 2, 4, 7, 14, 17, 28, 31, 34, 62, 68, 119, 124, 217, 238, 434, 476, 527, 868, 881, 1054, 1553, 1762, 2108, 3106, 3524, 3689, 6167, 6212, 7378, 10871, 12334, 14756, 14977, 21742, 24668, 26401, 27311, 29954, 43484, 48143, 52802, 54622, 59908, 96286, 104839, 105604, 109244, 184807, 191177, 192572, 209678, 337001, 369614, 382354, 419356, 464287, 674002, 739228, 764708, 818431, 928574, 1348004, 1368193, 1636862, 1857148, 2736386, 3250009, 3273724, 5472772, 5729017, 6500018, 9577351, 11458034, 13000036, 19154702, 22916068, 23259281, 38309404, 42413983, 46518562, 84827966, 93037124, 162814967, 169655932, 296897881, 325629934, 593795762, 651259868, 721037711, 1187591524, 1442075422, 2884150844, 5047263977, 10094527954, 20189055908]

約数ペア:

[(1, 20189055908), (2, 10094527954), (4, 5047263977), (7, 2884150844), (14, 1442075422), (17, 1187591524), (28, 721037711), (31, 651259868), (34, 593795762), (62, 325629934), (68, 296897881), (119, 169655932), (124, 162814967), (217, 93037124), (238, 84827966), (434, 46518562), (476, 42413983), (527, 38309404), (868, 23259281), (881, 22916068), (1054, 19154702), (1553, 13000036), (1762, 11458034), (2108, 9577351), (3106, 6500018), (3524, 5729017), (3689, 5472772), (6167, 3273724), (6212, 3250009), (7378, 2736386), (10871, 1857148), (12334, 1636862), (14756, 1368193), (14977, 1348004), (21742, 928574), (24668, 818431), (26401, 764708), (27311, 739228), (29954, 674002), (43484, 464287), (48143, 419356), (52802, 382354), (54622, 369614), (59908, 337001), (96286, 209678), (104839, 192572), (105604, 191177), (109244, 184807)]