20954380

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{45553}}^1$

素因数の和:45585

約数の個数: 24

約数和(自身を含む): 45918432

約数和(自身を除く): 24964052

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 45553, 91106, 182212, 227765, 455530, 911060, 1047719, 2095438, 4190876, 5238595, 10477190, 20954380]

約数ペア:

[(1, 20954380), (2, 10477190), (4, 5238595), (5, 4190876), (10, 2095438), (20, 1047719), (23, 911060), (46, 455530), (92, 227765), (115, 182212), (230, 91106), (460, 45553)]