20100720213

素因数分解:

$3^3\times 7^1\times {\mathrm{106353017}}^1$

素因数の和:106353033

約数の個数: 16

約数和(自身を含む): 34032965760

約数和(自身を除く): 13932245547

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 106353017, 319059051, 744471119, 957177153, 2233413357, 2871531459, 6700240071, 20100720213]

約数ペア:

[(1, 20100720213), (3, 6700240071), (7, 2871531459), (9, 2233413357), (21, 957177153), (27, 744471119), (63, 319059051), (189, 106353017)]