20512030180

素因数分解:

$2^2\times 5^1\times {\mathrm{3529}}^1\times {\mathrm{290621}}^1$

素因数の和:294159

約数の個数: 24

約数和(自身を含む): 43087617720

約数和(自身を除く): 22575587540

約数列:

[1, 2, 4, 5, 10, 20, 3529, 7058, 14116, 17645, 35290, 70580, 290621, 581242, 1162484, 1453105, 2906210, 5812420, 1025601509, 2051203018, 4102406036, 5128007545, 10256015090, 20512030180]

約数ペア:

[(1, 20512030180), (2, 10256015090), (4, 5128007545), (5, 4102406036), (10, 2051203018), (20, 1025601509), (3529, 5812420), (7058, 2906210), (14116, 1453105), (17645, 1162484), (35290, 581242), (70580, 290621)]