20144735

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{7559}}^1$

素因数の和:7618

約数の個数: 16

約数和(自身を含む): 26671680

約数和(自身を除く): 6526945

約数列:

[1, 5, 13, 41, 65, 205, 533, 2665, 7559, 37795, 98267, 309919, 491335, 1549595, 4028947, 20144735]

約数ペア:

[(1, 20144735), (5, 4028947), (13, 1549595), (41, 491335), (65, 309919), (205, 98267), (533, 37795), (2665, 7559)]