20407360

素因数分解:

$2^6\times 5^1\times {\mathrm{63773}}^1$

素因数の和:63790

約数の個数: 28

約数和(自身を含む): 48595788

約数和(自身を除く): 28188428

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 63773, 127546, 255092, 318865, 510184, 637730, 1020368, 1275460, 2040736, 2550920, 4081472, 5101840, 10203680, 20407360]

約数ペア:

[(1, 20407360), (2, 10203680), (4, 5101840), (5, 4081472), (8, 2550920), (10, 2040736), (16, 1275460), (20, 1020368), (32, 637730), (40, 510184), (64, 318865), (80, 255092), (160, 127546), (320, 63773)]