20498700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{68329}}^1$

素因数の和:68346

約数の個数: 36

約数和(自身を含む): 59310440

約数和(自身を除く): 38811740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300, 68329, 136658, 204987, 273316, 341645, 409974, 683290, 819948, 1024935, 1366580, 1708225, 2049870, 3416450, 4099740, 5124675, 6832900, 10249350, 20498700]

約数ペア:

[(1, 20498700), (2, 10249350), (3, 6832900), (4, 5124675), (5, 4099740), (6, 3416450), (10, 2049870), (12, 1708225), (15, 1366580), (20, 1024935), (25, 819948), (30, 683290), (50, 409974), (60, 341645), (75, 273316), (100, 204987), (150, 136658), (300, 68329)]