20558876

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{9643}}^1$

素因数の和:9701

約数の個数: 24

約数和(自身を含む): 39694704

約数和(自身を除く): 19135828

約数列:

[1, 2, 4, 13, 26, 41, 52, 82, 164, 533, 1066, 2132, 9643, 19286, 38572, 125359, 250718, 395363, 501436, 790726, 1581452, 5139719, 10279438, 20558876]

約数ペア:

[(1, 20558876), (2, 10279438), (4, 5139719), (13, 1581452), (26, 790726), (41, 501436), (52, 395363), (82, 250718), (164, 125359), (533, 38572), (1066, 19286), (2132, 9643)]