20161392903

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{5801}}^1\times {\mathrm{12457}}^1$

素因数の和:18295

約数の個数: 24

約数和(自身を含む): 30069027456

約数和(自身を除く): 9907634553

約数列:

[1, 3, 9, 31, 93, 279, 5801, 12457, 17403, 37371, 52209, 112113, 179831, 386167, 539493, 1158501, 1618479, 3475503, 72263057, 216789171, 650367513, 2240154767, 6720464301, 20161392903]

約数ペア:

[(1, 20161392903), (3, 6720464301), (9, 2240154767), (31, 650367513), (93, 216789171), (279, 72263057), (5801, 3475503), (12457, 1618479), (17403, 1158501), (37371, 539493), (52209, 386167), (112113, 179831)]