20295340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{78059}}^1$

素因数の和:78081

約数の個数: 24

約数和(自身を含む): 45899280

約数和(自身を除く): 25603940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 78059, 156118, 312236, 390295, 780590, 1014767, 1561180, 2029534, 4059068, 5073835, 10147670, 20295340]

約数ペア:

[(1, 20295340), (2, 10147670), (4, 5073835), (5, 4059068), (10, 2029534), (13, 1561180), (20, 1014767), (26, 780590), (52, 390295), (65, 312236), (130, 156118), (260, 78059)]