20897698

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{257}}^1\times {\mathrm{373}}^1$

素因数の和:741

約数の個数: 16

約数和(自身を含む): 31842360

約数和(自身を除く): 10944662

約数列:

[1, 2, 109, 218, 257, 373, 514, 746, 28013, 40657, 56026, 81314, 95861, 191722, 10448849, 20897698]

約数ペア:

[(1, 20897698), (2, 10448849), (109, 191722), (218, 95861), (257, 81314), (373, 56026), (514, 40657), (746, 28013)]