20457028

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{971}}^1$

素因数の和:1227

約数の個数: 24

約数和(自身を含む): 37558080

約数和(自身を除く): 17101052

約数列:

[1, 2, 4, 23, 46, 92, 229, 458, 916, 971, 1942, 3884, 5267, 10534, 21068, 22333, 44666, 89332, 222359, 444718, 889436, 5114257, 10228514, 20457028]

約数ペア:

[(1, 20457028), (2, 10228514), (4, 5114257), (23, 889436), (46, 444718), (92, 222359), (229, 89332), (458, 44666), (916, 22333), (971, 21068), (1942, 10534), (3884, 5267)]