20804594421

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{151}}^1\times {\mathrm{271753}}^1$

素因数の和:271933

約数の個数: 24

約数和(自身を含む): 30236437056

約数和(自身を除く): 9431842635

約数列:

[1, 3, 13, 39, 151, 169, 453, 507, 1963, 5889, 25519, 76557, 271753, 815259, 3532789, 10598367, 41034703, 45926257, 123104109, 137778771, 533451139, 1600353417, 6934864807, 20804594421]

約数ペア:

[(1, 20804594421), (3, 6934864807), (13, 1600353417), (39, 533451139), (151, 137778771), (169, 123104109), (453, 45926257), (507, 41034703), (1963, 10598367), (5889, 3532789), (25519, 815259), (76557, 271753)]