20471325

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{38993}}^1$

素因数の和:39013

約数の個数: 24

約数和(自身を含む): 38682048

約数和(自身を除く): 18210723

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525, 38993, 116979, 194965, 272951, 584895, 818853, 974825, 1364755, 2924475, 4094265, 6823775, 20471325]

約数ペア:

[(1, 20471325), (3, 6823775), (5, 4094265), (7, 2924475), (15, 1364755), (21, 974825), (25, 818853), (35, 584895), (75, 272951), (105, 194965), (175, 116979), (525, 38993)]