20560377

素因数分解:

$3^1\times {\mathrm{73}}^1\times {\mathrm{223}}^1\times {\mathrm{421}}^1$

素因数の和:720

約数の個数: 16

約数和(自身を含む): 27980288

約数和(自身を除く): 7419911

約数列:

[1, 3, 73, 219, 223, 421, 669, 1263, 16279, 30733, 48837, 92199, 93883, 281649, 6853459, 20560377]

約数ペア:

[(1, 20560377), (3, 6853459), (73, 281649), (219, 93883), (223, 92199), (421, 48837), (669, 30733), (1263, 16279)]