20728602

素因数分解:

$2^1\times 3^3\times {\mathrm{269}}^1\times {\mathrm{1427}}^1$

素因数の和:1707

約数の個数: 32

約数和(自身を含む): 46267200

約数和(自身を除く): 25538598

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 269, 538, 807, 1427, 1614, 2421, 2854, 4281, 4842, 7263, 8562, 12843, 14526, 25686, 38529, 77058, 383863, 767726, 1151589, 2303178, 3454767, 6909534, 10364301, 20728602]

約数ペア:

[(1, 20728602), (2, 10364301), (3, 6909534), (6, 3454767), (9, 2303178), (18, 1151589), (27, 767726), (54, 383863), (269, 77058), (538, 38529), (807, 25686), (1427, 14526), (1614, 12843), (2421, 8562), (2854, 7263), (4281, 4842)]