20640108

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:183

約数の個数: 96

約数和(自身を含む): 54867456

約数和(自身を除く): 34227348

約数列:

[1, 2, 3, 4, 6, 12, 17, 23, 34, 46, 51, 53, 68, 69, 83, 92, 102, 106, 138, 159, 166, 204, 212, 249, 276, 318, 332, 391, 498, 636, 782, 901, 996, 1173, 1219, 1411, 1564, 1802, 1909, 2346, 2438, 2703, 2822, 3604, 3657, 3818, 4233, 4399, 4692, 4876, 5406, 5644, 5727, 7314, 7636, 8466, 8798, 10812, 11454, 13197, 14628, 16932, 17596, 20723, 22908, 26394, 32453, 41446, 52788, 62169, 64906, 74783, 82892, 97359, 101177, 124338, 129812, 149566, 194718, 202354, 224349, 248676, 299132, 303531, 389436, 404708, 448698, 607062, 897396, 1214124, 1720009, 3440018, 5160027, 6880036, 10320054, 20640108]

約数ペア:

[(1, 20640108), (2, 10320054), (3, 6880036), (4, 5160027), (6, 3440018), (12, 1720009), (17, 1214124), (23, 897396), (34, 607062), (46, 448698), (51, 404708), (53, 389436), (68, 303531), (69, 299132), (83, 248676), (92, 224349), (102, 202354), (106, 194718), (138, 149566), (159, 129812), (166, 124338), (204, 101177), (212, 97359), (249, 82892), (276, 74783), (318, 64906), (332, 62169), (391, 52788), (498, 41446), (636, 32453), (782, 26394), (901, 22908), (996, 20723), (1173, 17596), (1219, 16932), (1411, 14628), (1564, 13197), (1802, 11454), (1909, 10812), (2346, 8798), (2438, 8466), (2703, 7636), (2822, 7314), (3604, 5727), (3657, 5644), (3818, 5406), (4233, 4876), (4399, 4692)]