20939910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{14851}}^1$

素因数の和:14908

約数の個数: 32

約数和(自身を含む): 51328512

約数和(自身を除く): 30388602

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 47, 94, 141, 235, 282, 470, 705, 1410, 14851, 29702, 44553, 74255, 89106, 148510, 222765, 445530, 697997, 1395994, 2093991, 3489985, 4187982, 6979970, 10469955, 20939910]

約数ペア:

[(1, 20939910), (2, 10469955), (3, 6979970), (5, 4187982), (6, 3489985), (10, 2093991), (15, 1395994), (30, 697997), (47, 445530), (94, 222765), (141, 148510), (235, 89106), (282, 74255), (470, 44553), (705, 29702), (1410, 14851)]