17862020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^4\times {\mathrm{61}}^1$

素因数の和:114

約数の個数: 60

約数和(自身を含む): 41937420

約数和(自身を除く): 24075400

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 121, 122, 220, 242, 244, 305, 484, 605, 610, 671, 1210, 1220, 1331, 1342, 2420, 2662, 2684, 3355, 5324, 6655, 6710, 7381, 13310, 13420, 14641, 14762, 26620, 29282, 29524, 36905, 58564, 73205, 73810, 81191, 146410, 147620, 162382, 292820, 324764, 405955, 811910, 893101, 1623820, 1786202, 3572404, 4465505, 8931010, 17862020]

約数ペア:

[(1, 17862020), (2, 8931010), (4, 4465505), (5, 3572404), (10, 1786202), (11, 1623820), (20, 893101), (22, 811910), (44, 405955), (55, 324764), (61, 292820), (110, 162382), (121, 147620), (122, 146410), (220, 81191), (242, 73810), (244, 73205), (305, 58564), (484, 36905), (605, 29524), (610, 29282), (671, 26620), (1210, 14762), (1220, 14641), (1331, 13420), (1342, 13310), (2420, 7381), (2662, 6710), (2684, 6655), (3355, 5324)]