20205735

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{881}}^1$

素因数の和:1039

約数の個数: 32

約数和(自身を含む): 35562240

約数和(自身を除く): 15356505

約数列:

[1, 3, 5, 11, 15, 33, 55, 139, 165, 417, 695, 881, 1529, 2085, 2643, 4405, 4587, 7645, 9691, 13215, 22935, 29073, 48455, 122459, 145365, 367377, 612295, 1347049, 1836885, 4041147, 6735245, 20205735]

約数ペア:

[(1, 20205735), (3, 6735245), (5, 4041147), (11, 1836885), (15, 1347049), (33, 612295), (55, 367377), (139, 145365), (165, 122459), (417, 48455), (695, 29073), (881, 22935), (1529, 13215), (2085, 9691), (2643, 7645), (4405, 4587)]