20215382876

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{950507}}^1$

素因数の和:950933

約数の個数: 24

約数和(自身を含む): 38191411440

約数和(自身を除く): 17976028564

約数列:

[1, 2, 4, 13, 26, 52, 409, 818, 1636, 5317, 10634, 21268, 950507, 1901014, 3802028, 12356591, 24713182, 49426364, 388757363, 777514726, 1555029452, 5053845719, 10107691438, 20215382876]

約数ペア:

[(1, 20215382876), (2, 10107691438), (4, 5053845719), (13, 1555029452), (26, 777514726), (52, 388757363), (409, 49426364), (818, 24713182), (1636, 12356591), (5317, 3802028), (10634, 1901014), (21268, 950507)]