20153722665

素因数分解:

$3^1\times 5^1\times {\mathrm{641}}^1\times {\mathrm{2096071}}^1$

素因数の和:2096720

約数の個数: 16

約数和(自身を含む): 32296277376

約数和(自身を除く): 12142554711

約数列:

[1, 3, 5, 15, 641, 1923, 3205, 9615, 2096071, 6288213, 10480355, 31441065, 1343581511, 4030744533, 6717907555, 20153722665]

約数ペア:

[(1, 20153722665), (3, 6717907555), (5, 4030744533), (15, 1343581511), (641, 31441065), (1923, 10480355), (3205, 6288213), (9615, 2096071)]