20121110

素因数分解:

$2^1\times 5^1\times {\mathrm{379}}^1\times {\mathrm{5309}}^1$

素因数の和:5695

約数の個数: 16

約数和(自身を含む): 36320400

約数和(自身を除く): 16199290

約数列:

[1, 2, 5, 10, 379, 758, 1895, 3790, 5309, 10618, 26545, 53090, 2012111, 4024222, 10060555, 20121110]

約数ペア:

[(1, 20121110), (2, 10060555), (5, 4024222), (10, 2012111), (379, 53090), (758, 26545), (1895, 10618), (3790, 5309)]