20365408

素因数分解:

$2^5\times 7^1\times {\mathrm{90917}}^1$

素因数の和:90934

約数の個数: 24

約数和(自身を含む): 45822672

約数和(自身を除く): 25457264

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 90917, 181834, 363668, 636419, 727336, 1272838, 1454672, 2545676, 2909344, 5091352, 10182704, 20365408]

約数ペア:

[(1, 20365408), (2, 10182704), (4, 5091352), (7, 2909344), (8, 2545676), (14, 1454672), (16, 1272838), (28, 727336), (32, 636419), (56, 363668), (112, 181834), (224, 90917)]