20163490557

素因数分解:

$3^1\times 7^1\times {\mathrm{2113}}^1\times {\mathrm{454409}}^1$

素因数の和:456532

約数の個数: 16

約数和(自身を含む): 30739927680

約数和(自身を除く): 10576437123

約数列:

[1, 3, 7, 21, 2113, 6339, 14791, 44373, 454409, 1363227, 3180863, 9542589, 960166217, 2880498651, 6721163519, 20163490557]

約数ペア:

[(1, 20163490557), (3, 6721163519), (7, 2880498651), (21, 960166217), (2113, 9542589), (6339, 3180863), (14791, 1363227), (44373, 454409)]