20121120236

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{881}}^1\times {\mathrm{47981}}^1$

素因数の和:48890

約数の個数: 48

約数和(自身を含む): 42658684992

約数和(自身を除く): 22537564756

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 881, 1762, 3524, 6167, 12334, 14977, 24668, 29954, 47981, 59908, 95962, 104839, 191924, 209678, 335867, 419356, 671734, 815677, 1343468, 1631354, 3262708, 5709739, 11419478, 22838956, 42271261, 84542522, 169085044, 295898827, 591797654, 718611437, 1183595308, 1437222874, 2874445748, 5030280059, 10060560118, 20121120236]

約数ペア:

[(1, 20121120236), (2, 10060560118), (4, 5030280059), (7, 2874445748), (14, 1437222874), (17, 1183595308), (28, 718611437), (34, 591797654), (68, 295898827), (119, 169085044), (238, 84542522), (476, 42271261), (881, 22838956), (1762, 11419478), (3524, 5709739), (6167, 3262708), (12334, 1631354), (14977, 1343468), (24668, 815677), (29954, 671734), (47981, 419356), (59908, 335867), (95962, 209678), (104839, 191924)]