39642020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{16381}}^1$

素因数の和:16412

約数の個数: 36

約数和(自身を含む): 91509852

約数和(自身を除く): 51867832

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 16381, 32762, 65524, 81905, 163810, 180191, 327620, 360382, 720764, 900955, 1801910, 1982101, 3603820, 3964202, 7928404, 9910505, 19821010, 39642020]

約数ペア:

[(1, 39642020), (2, 19821010), (4, 9910505), (5, 7928404), (10, 3964202), (11, 3603820), (20, 1982101), (22, 1801910), (44, 900955), (55, 720764), (110, 360382), (121, 327620), (220, 180191), (242, 163810), (484, 81905), (605, 65524), (1210, 32762), (2420, 16381)]