20953263

素因数分解:

$3^1\times {\mathrm{73}}^1\times {\mathrm{241}}^1\times {\mathrm{397}}^1$

素因数の和:714

約数の個数: 16

約数和(自身を含む): 28509536

約数和(自身を除く): 7556273

約数列:

[1, 3, 73, 219, 241, 397, 723, 1191, 17593, 28981, 52779, 86943, 95677, 287031, 6984421, 20953263]

約数ペア:

[(1, 20953263), (3, 6984421), (73, 287031), (219, 95677), (241, 86943), (397, 52779), (723, 28981), (1191, 17593)]