20102511

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{997}}^1$

素因数の和:1071

約数の個数: 32

約数和(自身を含む): 32191488

約数和(自身を除く): 12088977

約数列:

[1, 3, 11, 13, 33, 39, 47, 141, 143, 429, 517, 611, 997, 1551, 1833, 2991, 6721, 10967, 12961, 20163, 32901, 38883, 46859, 140577, 142571, 427713, 515449, 609167, 1546347, 1827501, 6700837, 20102511]

約数ペア:

[(1, 20102511), (3, 6700837), (11, 1827501), (13, 1546347), (33, 609167), (39, 515449), (47, 427713), (141, 142571), (143, 140577), (429, 46859), (517, 38883), (611, 32901), (997, 20163), (1551, 12961), (1833, 10967), (2991, 6721)]