20187898340

素因数分解:

$2^2\times 5^1\times {\mathrm{1033}}^1\times {\mathrm{977149}}^1$

素因数の和:978191

約数の個数: 24

約数和(自身を含む): 42435670200

約数和(自身を除く): 22247771860

約数列:

[1, 2, 4, 5, 10, 20, 1033, 2066, 4132, 5165, 10330, 20660, 977149, 1954298, 3908596, 4885745, 9771490, 19542980, 1009394917, 2018789834, 4037579668, 5046974585, 10093949170, 20187898340]

約数ペア:

[(1, 20187898340), (2, 10093949170), (4, 5046974585), (5, 4037579668), (10, 2018789834), (20, 1009394917), (1033, 19542980), (2066, 9771490), (4132, 4885745), (5165, 3908596), (10330, 1954298), (20660, 977149)]