20985042

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{269039}}^1$

素因数の和:269057

約数の個数: 16

約数和(自身を含む): 45198720

約数和(自身を除く): 24213678

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 269039, 538078, 807117, 1614234, 3497507, 6995014, 10492521, 20985042]

約数ペア:

[(1, 20985042), (2, 10492521), (3, 6995014), (6, 3497507), (13, 1614234), (26, 807117), (39, 538078), (78, 269039)]