20198488518

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{763879}}^1$

素因数の和:764013

約数の個数: 48

約数和(自身を含む): 47546946720

約数和(自身を除く): 27348458202

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 113, 117, 226, 234, 339, 678, 1017, 1469, 2034, 2938, 4407, 8814, 13221, 26442, 763879, 1527758, 2291637, 4583274, 6874911, 9930427, 13749822, 19860854, 29791281, 59582562, 86318327, 89373843, 172636654, 178747686, 258954981, 517909962, 776864943, 1122138251, 1553729886, 2244276502, 3366414753, 6732829506, 10099244259, 20198488518]

約数ペア:

[(1, 20198488518), (2, 10099244259), (3, 6732829506), (6, 3366414753), (9, 2244276502), (13, 1553729886), (18, 1122138251), (26, 776864943), (39, 517909962), (78, 258954981), (113, 178747686), (117, 172636654), (226, 89373843), (234, 86318327), (339, 59582562), (678, 29791281), (1017, 19860854), (1469, 13749822), (2034, 9930427), (2938, 6874911), (4407, 4583274), (8814, 2291637), (13221, 1527758), (26442, 763879)]