20867958

素因数分解:

$2^1\times 3^2\times {\mathrm{443}}^1\times {\mathrm{2617}}^1$

素因数の和:3068

約数の個数: 24

約数和(自身を含む): 45333288

約数和(自身を除く): 24465330

約数列:

[1, 2, 3, 6, 9, 18, 443, 886, 1329, 2617, 2658, 3987, 5234, 7851, 7974, 15702, 23553, 47106, 1159331, 2318662, 3477993, 6955986, 10433979, 20867958]

約数ペア:

[(1, 20867958), (2, 10433979), (3, 6955986), (6, 3477993), (9, 2318662), (18, 1159331), (443, 47106), (886, 23553), (1329, 15702), (2617, 7974), (2658, 7851), (3987, 5234)]