205672720180

素因数分解:

$2^2\times 5^1\times {\mathrm{10283636009}}^1$

素因数の和:10283636018

約数の個数: 12

約数和(自身を含む): 431912712420

約数和(自身を除く): 226239992240

約数列:

[1, 2, 4, 5, 10, 20, 10283636009, 20567272018, 41134544036, 51418180045, 102836360090, 205672720180]

約数ペア:

[(1, 205672720180), (2, 102836360090), (4, 51418180045), (5, 41134544036), (10, 20567272018), (20, 10283636009)]