20455860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{340931}}^1$

素因数の和:340943

約数の個数: 24

約数和(自身を含む): 57276576

約数和(自身を除く): 36820716

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 340931, 681862, 1022793, 1363724, 1704655, 2045586, 3409310, 4091172, 5113965, 6818620, 10227930, 20455860]

約数ペア:

[(1, 20455860), (2, 10227930), (3, 6818620), (4, 5113965), (5, 4091172), (6, 3409310), (10, 2045586), (12, 1704655), (15, 1363724), (20, 1022793), (30, 681862), (60, 340931)]