20508826

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{1291}}^1$

素因数の和:1366

約数の個数: 24

約数和(自身を含む): 34046784

約数和(自身を除く): 13537958

約数列:

[1, 2, 13, 26, 47, 94, 169, 338, 611, 1222, 1291, 2582, 7943, 15886, 16783, 33566, 60677, 121354, 218179, 436358, 788801, 1577602, 10254413, 20508826]

約数ペア:

[(1, 20508826), (2, 10254413), (13, 1577602), (26, 788801), (47, 436358), (94, 218179), (169, 121354), (338, 60677), (611, 33566), (1222, 16783), (1291, 15886), (2582, 7943)]