20442110

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157247}}^1$

素因数の和:157267

約数の個数: 16

約数和(自身を含む): 39626496

約数和(自身を除く): 19184386

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 157247, 314494, 786235, 1572470, 2044211, 4088422, 10221055, 20442110]

約数ペア:

[(1, 20442110), (2, 10221055), (5, 4088422), (10, 2044211), (13, 1572470), (26, 786235), (65, 314494), (130, 157247)]