20513304578

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{11177}}^1\times {\mathrm{70589}}^1$

素因数の和:81781

約数の個数: 16

約数和(自身を含む): 33140310840

約数和(自身を除く): 12627006262

約数列:

[1, 2, 13, 26, 11177, 22354, 70589, 141178, 145301, 290602, 917657, 1835314, 788973253, 1577946506, 10256652289, 20513304578]

約数ペア:

[(1, 20513304578), (2, 10256652289), (13, 1577946506), (26, 788973253), (11177, 1835314), (22354, 917657), (70589, 290602), (141178, 145301)]