2019920716820

素因数分解:

$2^2\times 5^1\times {\mathrm{27143}}^1\times {\mathrm{3720887}}^1$

素因数の和:3748039

約数の個数: 24

約数和(自身を含む): 4241990922624

約数和(自身を除く): 2222070205804

約数列:

[1, 2, 4, 5, 10, 20, 27143, 54286, 108572, 135715, 271430, 542860, 3720887, 7441774, 14883548, 18604435, 37208870, 74417740, 100996035841, 201992071682, 403984143364, 504980179205, 1009960358410, 2019920716820]

約数ペア:

[(1, 2019920716820), (2, 1009960358410), (4, 504980179205), (5, 403984143364), (10, 201992071682), (20, 100996035841), (27143, 74417740), (54286, 37208870), (108572, 18604435), (135715, 14883548), (271430, 7441774), (542860, 3720887)]