20124950085

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{10400491}}^1$

素因数の和:10400545

約数の個数: 24

約数和(自身を含む): 35694488544

約数和(自身を除く): 15569538459

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 10400491, 31201473, 52002455, 93604419, 156007365, 447221113, 468022095, 1341663339, 2236105565, 4024990017, 6708316695, 20124950085]

約数ペア:

[(1, 20124950085), (3, 6708316695), (5, 4024990017), (9, 2236105565), (15, 1341663339), (43, 468022095), (45, 447221113), (129, 156007365), (215, 93604419), (387, 52002455), (645, 31201473), (1935, 10400491)]