20587110

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{15959}}^1$

素因数の和:16012

約数の個数: 32

約数和(自身を含む): 50561280

約数和(自身を除く): 29974170

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 15959, 31918, 47877, 79795, 95754, 159590, 239385, 478770, 686237, 1372474, 2058711, 3431185, 4117422, 6862370, 10293555, 20587110]

約数ペア:

[(1, 20587110), (2, 10293555), (3, 6862370), (5, 4117422), (6, 3431185), (10, 2058711), (15, 1372474), (30, 686237), (43, 478770), (86, 239385), (129, 159590), (215, 95754), (258, 79795), (430, 47877), (645, 31918), (1290, 15959)]