16685898980

素因数分解:

$2^2\times 5^1\times {\mathrm{631}}^1\times {\mathrm{1322179}}^1$

素因数の和:1322819

約数の個数: 24

約数和(自身を含む): 35095945920

約数和(自身を除く): 18410046940

約数列:

[1, 2, 4, 5, 10, 20, 631, 1262, 2524, 3155, 6310, 12620, 1322179, 2644358, 5288716, 6610895, 13221790, 26443580, 834294949, 1668589898, 3337179796, 4171474745, 8342949490, 16685898980]

約数ペア:

[(1, 16685898980), (2, 8342949490), (4, 4171474745), (5, 3337179796), (10, 1668589898), (20, 834294949), (631, 26443580), (1262, 13221790), (2524, 6610895), (3155, 5288716), (6310, 2644358), (12620, 1322179)]