20712347312

素因数分解:

$2^4\times {\mathrm{251}}^1\times {\mathrm{5157457}}^1$

素因数の和:5157716

約数の個数: 20

約数和(自身を含む): 40290061896

約数和(自身を除く): 19577714584

約数列:

[1, 2, 4, 8, 16, 251, 502, 1004, 2008, 4016, 5157457, 10314914, 20629828, 41259656, 82519312, 1294521707, 2589043414, 5178086828, 10356173656, 20712347312]

約数ペア:

[(1, 20712347312), (2, 10356173656), (4, 5178086828), (8, 2589043414), (16, 1294521707), (251, 82519312), (502, 41259656), (1004, 20629828), (2008, 10314914), (4016, 5157457)]