20450886

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{2557}}^1$

素因数の和:2636

約数の個数: 32

約数和(自身を含む): 43219968

約数和(自身を除く): 22769082

約数列:

[1, 2, 3, 6, 31, 43, 62, 86, 93, 129, 186, 258, 1333, 2557, 2666, 3999, 5114, 7671, 7998, 15342, 79267, 109951, 158534, 219902, 237801, 329853, 475602, 659706, 3408481, 6816962, 10225443, 20450886]

約数ペア:

[(1, 20450886), (2, 10225443), (3, 6816962), (6, 3408481), (31, 659706), (43, 475602), (62, 329853), (86, 237801), (93, 219902), (129, 158534), (186, 109951), (258, 79267), (1333, 15342), (2557, 7998), (2666, 7671), (3999, 5114)]