20969816

素因数分解:

$2^3\times 7^1\times {\mathrm{374461}}^1$

素因数の和:374474

約数の個数: 16

約数和(自身を含む): 44935440

約数和(自身を除く): 23965624

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 374461, 748922, 1497844, 2621227, 2995688, 5242454, 10484908, 20969816]

約数ペア:

[(1, 20969816), (2, 10484908), (4, 5242454), (7, 2995688), (8, 2621227), (14, 1497844), (28, 748922), (56, 374461)]