20172521780

素因数分解:

$2^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{3285427}}^1$

素因数の和:3285743

約数の個数: 24

約数和(自身を含む): 42500296608

約数和(自身を除く): 22327774828

約数列:

[1, 2, 4, 5, 10, 20, 307, 614, 1228, 1535, 3070, 6140, 3285427, 6570854, 13141708, 16427135, 32854270, 65708540, 1008626089, 2017252178, 4034504356, 5043130445, 10086260890, 20172521780]

約数ペア:

[(1, 20172521780), (2, 10086260890), (4, 5043130445), (5, 4034504356), (10, 2017252178), (20, 1008626089), (307, 65708540), (614, 32854270), (1228, 16427135), (1535, 13141708), (3070, 6570854), (6140, 3285427)]