20394506

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{17491}}^1$

素因数の和:17557

約数の個数: 16

約数和(自身を含む): 34004448

約数和(自身を除く): 13609942

約数列:

[1, 2, 11, 22, 53, 106, 583, 1166, 17491, 34982, 192401, 384802, 927023, 1854046, 10197253, 20394506]

約数ペア:

[(1, 20394506), (2, 10197253), (11, 1854046), (22, 927023), (53, 384802), (106, 192401), (583, 34982), (1166, 17491)]