20877054

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{809}}^1$

素因数の和:865

約数の個数: 64

約数和(自身を含む): 50388480

約数和(自身を除く): 29511426

約数列:

[1, 2, 3, 6, 11, 17, 22, 23, 33, 34, 46, 51, 66, 69, 102, 138, 187, 253, 374, 391, 506, 561, 759, 782, 809, 1122, 1173, 1518, 1618, 2346, 2427, 4301, 4854, 8602, 8899, 12903, 13753, 17798, 18607, 25806, 26697, 27506, 37214, 41259, 53394, 55821, 82518, 111642, 151283, 204677, 302566, 316319, 409354, 453849, 614031, 632638, 907698, 948957, 1228062, 1897914, 3479509, 6959018, 10438527, 20877054]

約数ペア:

[(1, 20877054), (2, 10438527), (3, 6959018), (6, 3479509), (11, 1897914), (17, 1228062), (22, 948957), (23, 907698), (33, 632638), (34, 614031), (46, 453849), (51, 409354), (66, 316319), (69, 302566), (102, 204677), (138, 151283), (187, 111642), (253, 82518), (374, 55821), (391, 53394), (506, 41259), (561, 37214), (759, 27506), (782, 26697), (809, 25806), (1122, 18607), (1173, 17798), (1518, 13753), (1618, 12903), (2346, 8899), (2427, 8602), (4301, 4854)]