20873330

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{167}}^1\times {\mathrm{431}}^1$

素因数の和:634

約数の個数: 32

約数和(自身を含む): 39191040

約数和(自身を除く): 18317710

約数列:

[1, 2, 5, 10, 29, 58, 145, 167, 290, 334, 431, 835, 862, 1670, 2155, 4310, 4843, 9686, 12499, 24215, 24998, 48430, 62495, 71977, 124990, 143954, 359885, 719770, 2087333, 4174666, 10436665, 20873330]

約数ペア:

[(1, 20873330), (2, 10436665), (5, 4174666), (10, 2087333), (29, 719770), (58, 359885), (145, 143954), (167, 124990), (290, 71977), (334, 62495), (431, 48430), (835, 24998), (862, 24215), (1670, 12499), (2155, 9686), (4310, 4843)]