20138285

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{2999}}^1$

素因数の和:3100

約数の個数: 16

約数和(自身を含む): 25920000

約数和(自身を除く): 5781715

約数列:

[1, 5, 17, 79, 85, 395, 1343, 2999, 6715, 14995, 50983, 236921, 254915, 1184605, 4027657, 20138285]

約数ペア:

[(1, 20138285), (5, 4027657), (17, 1184605), (79, 254915), (85, 236921), (395, 50983), (1343, 14995), (2999, 6715)]