20056827

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{2903}}^1$

素因数の和:2967

約数の個数: 24

約数和(自身を含む): 31781376

約数和(自身を除く): 11724549

約数列:

[1, 3, 7, 21, 47, 49, 141, 147, 329, 987, 2303, 2903, 6909, 8709, 20321, 60963, 136441, 142247, 409323, 426741, 955087, 2865261, 6685609, 20056827]

約数ペア:

[(1, 20056827), (3, 6685609), (7, 2865261), (21, 955087), (47, 426741), (49, 409323), (141, 142247), (147, 136441), (329, 60963), (987, 20321), (2303, 8709), (2903, 6909)]