2039620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 4773888

約数和(自身を除く): 2734268

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 73, 110, 127, 146, 220, 254, 292, 365, 508, 635, 730, 803, 1270, 1397, 1460, 1606, 2540, 2794, 3212, 4015, 5588, 6985, 8030, 9271, 13970, 16060, 18542, 27940, 37084, 46355, 92710, 101981, 185420, 203962, 407924, 509905, 1019810, 2039620]

約数ペア:

[(1, 2039620), (2, 1019810), (4, 509905), (5, 407924), (10, 203962), (11, 185420), (20, 101981), (22, 92710), (44, 46355), (55, 37084), (73, 27940), (110, 18542), (127, 16060), (146, 13970), (220, 9271), (254, 8030), (292, 6985), (365, 5588), (508, 4015), (635, 3212), (730, 2794), (803, 2540), (1270, 1606), (1397, 1460)]