20119505

素因数分解:

$5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{5581}}^1$

素因数の和:5696

約数の個数: 16

約数和(自身を含む): 27865344

約数和(自身を除く): 7745839

約数列:

[1, 5, 7, 35, 103, 515, 721, 3605, 5581, 27905, 39067, 195335, 574843, 2874215, 4023901, 20119505]

約数ペア:

[(1, 20119505), (5, 4023901), (7, 2874215), (35, 574843), (103, 195335), (515, 39067), (721, 27905), (3605, 5581)]