20455840215

素因数分解:

$3^2\times 5^1\times {\mathrm{8431}}^1\times {\mathrm{53917}}^1$

素因数の和:62359

約数の個数: 24

約数和(自身を含む): 35461652928

約数和(自身を除く): 15005812713

約数列:

[1, 3, 5, 9, 15, 45, 8431, 25293, 42155, 53917, 75879, 126465, 161751, 269585, 379395, 485253, 808755, 2426265, 454574227, 1363722681, 2272871135, 4091168043, 6818613405, 20455840215]

約数ペア:

[(1, 20455840215), (3, 6818613405), (5, 4091168043), (9, 2272871135), (15, 1363722681), (45, 454574227), (8431, 2426265), (25293, 808755), (42155, 485253), (53917, 379395), (75879, 269585), (126465, 161751)]