20622620

素因数分解:

$2^2\times 5^1\times {\mathrm{839}}^1\times {\mathrm{1229}}^1$

素因数の和:2077

約数の個数: 24

約数和(自身を含む): 43394400

約数和(自身を除く): 22771780

約数列:

[1, 2, 4, 5, 10, 20, 839, 1229, 1678, 2458, 3356, 4195, 4916, 6145, 8390, 12290, 16780, 24580, 1031131, 2062262, 4124524, 5155655, 10311310, 20622620]

約数ペア:

[(1, 20622620), (2, 10311310), (4, 5155655), (5, 4124524), (10, 2062262), (20, 1031131), (839, 24580), (1229, 16780), (1678, 12290), (2458, 8390), (3356, 6145), (4195, 4916)]