20780078

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{577}}^1\times {\mathrm{1637}}^1$

素因数の和:2227

約数の個数: 16

約数和(自身を含む): 34083504

約数和(自身を除く): 13303426

約数列:

[1, 2, 11, 22, 577, 1154, 1637, 3274, 6347, 12694, 18007, 36014, 944549, 1889098, 10390039, 20780078]

約数ペア:

[(1, 20780078), (2, 10390039), (11, 1889098), (22, 944549), (577, 36014), (1154, 18007), (1637, 12694), (3274, 6347)]