2018701820

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1421621}}^1$

素因数の和:1421701

約数の個数: 24

約数和(自身を含む): 4298984928

約数和(自身を除く): 2280283108

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 1421621, 2843242, 5686484, 7108105, 14216210, 28432420, 100935091, 201870182, 403740364, 504675455, 1009350910, 2018701820]

約数ペア:

[(1, 2018701820), (2, 1009350910), (4, 504675455), (5, 403740364), (10, 201870182), (20, 100935091), (71, 28432420), (142, 14216210), (284, 7108105), (355, 5686484), (710, 2843242), (1420, 1421621)]