20312075

素因数分解:

$5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{3137}}^1$

素因数の和:3191

約数の個数: 24

約数和(自身を含む): 29572512

約数和(自身を除く): 9260437

約数列:

[1, 5, 7, 25, 35, 37, 175, 185, 259, 925, 1295, 3137, 6475, 15685, 21959, 78425, 109795, 116069, 548975, 580345, 812483, 2901725, 4062415, 20312075]

約数ペア:

[(1, 20312075), (5, 4062415), (7, 2901725), (25, 812483), (35, 580345), (37, 548975), (175, 116069), (185, 109795), (259, 78425), (925, 21959), (1295, 15685), (3137, 6475)]