20457870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{1889}}^1$

素因数の和:1937

約数の個数: 48

約数和(自身を含む): 51846480

約数和(自身を除く): 31388610

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 190, 285, 361, 570, 722, 1083, 1805, 1889, 2166, 3610, 3778, 5415, 5667, 9445, 10830, 11334, 18890, 28335, 35891, 56670, 71782, 107673, 179455, 215346, 358910, 538365, 681929, 1076730, 1363858, 2045787, 3409645, 4091574, 6819290, 10228935, 20457870]

約数ペア:

[(1, 20457870), (2, 10228935), (3, 6819290), (5, 4091574), (6, 3409645), (10, 2045787), (15, 1363858), (19, 1076730), (30, 681929), (38, 538365), (57, 358910), (95, 215346), (114, 179455), (190, 107673), (285, 71782), (361, 56670), (570, 35891), (722, 28335), (1083, 18890), (1805, 11334), (1889, 10830), (2166, 9445), (3610, 5667), (3778, 5415)]