20840508

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{44531}}^1$

素因数の和:44554

約数の個数: 36

約数和(自身を含む): 56733768

約数和(自身を除く): 35893260

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 44531, 89062, 133593, 178124, 267186, 400779, 534372, 578903, 801558, 1157806, 1603116, 1736709, 2315612, 3473418, 5210127, 6946836, 10420254, 20840508]

約数ペア:

[(1, 20840508), (2, 10420254), (3, 6946836), (4, 5210127), (6, 3473418), (9, 2315612), (12, 1736709), (13, 1603116), (18, 1157806), (26, 801558), (36, 578903), (39, 534372), (52, 400779), (78, 267186), (117, 178124), (156, 133593), (234, 89062), (468, 44531)]