20982422

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{3517}}^1$

素因数の和:3695

約数の個数: 16

約数和(自身を含む): 33350640

約数和(自身を除く): 12368218

約数列:

[1, 2, 19, 38, 157, 314, 2983, 3517, 5966, 7034, 66823, 133646, 552169, 1104338, 10491211, 20982422]

約数ペア:

[(1, 20982422), (2, 10491211), (19, 1104338), (38, 552169), (157, 133646), (314, 66823), (2983, 7034), (3517, 5966)]