20017413

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5519}}^1$

素因数の和:5569

約数の個数: 24

約数和(自身を含む): 32148480

約数和(自身を除く): 12131067

約数列:

[1, 3, 9, 13, 31, 39, 93, 117, 279, 403, 1209, 3627, 5519, 16557, 49671, 71747, 171089, 215241, 513267, 645723, 1539801, 2224157, 6672471, 20017413]

約数ペア:

[(1, 20017413), (3, 6672471), (9, 2224157), (13, 1539801), (31, 645723), (39, 513267), (93, 215241), (117, 171089), (279, 71747), (403, 49671), (1209, 16557), (3627, 5519)]