2090972

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{509}}^1$

素因数の和:605

約数の個数: 24

約数和(自身を含む): 3998400

約数和(自身を除く): 1907428

約数列:

[1, 2, 4, 13, 26, 52, 79, 158, 316, 509, 1018, 1027, 2036, 2054, 4108, 6617, 13234, 26468, 40211, 80422, 160844, 522743, 1045486, 2090972]

約数ペア:

[(1, 2090972), (2, 1045486), (4, 522743), (13, 160844), (26, 80422), (52, 40211), (79, 26468), (158, 13234), (316, 6617), (509, 4108), (1018, 2054), (1027, 2036)]