20628306

素因数分解:

$2^1\times 3^2\times {\mathrm{1039}}^1\times {\mathrm{1103}}^1$

素因数の和:2150

約数の個数: 24

約数和(自身を含む): 44778240

約数和(自身を除く): 24149934

約数列:

[1, 2, 3, 6, 9, 18, 1039, 1103, 2078, 2206, 3117, 3309, 6234, 6618, 9351, 9927, 18702, 19854, 1146017, 2292034, 3438051, 6876102, 10314153, 20628306]

約数ペア:

[(1, 20628306), (2, 10314153), (3, 6876102), (6, 3438051), (9, 2292034), (18, 1146017), (1039, 19854), (1103, 18702), (2078, 9927), (2206, 9351), (3117, 6618), (3309, 6234)]