20857575676

素因数分解:

$2^2\times 7^1\times {\mathrm{2309}}^1\times {\mathrm{322613}}^1$

素因数の和:324933

約数の個数: 24

約数和(自身を含む): 41733347040

約数和(自身を除く): 20875771364

約数列:

[1, 2, 4, 7, 14, 28, 2309, 4618, 9236, 16163, 32326, 64652, 322613, 645226, 1290452, 2258291, 4516582, 9033164, 744913417, 1489826834, 2979653668, 5214393919, 10428787838, 20857575676]

約数ペア:

[(1, 20857575676), (2, 10428787838), (4, 5214393919), (7, 2979653668), (14, 1489826834), (28, 744913417), (2309, 9033164), (4618, 4516582), (9236, 2258291), (16163, 1290452), (32326, 645226), (64652, 322613)]