20943973208

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{153999803}}^1$

素因数の和:153999826

約数の個数: 16

約数和(自身を含む): 41579947080

約数和(自身を除く): 20635973872

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 153999803, 307999606, 615999212, 1231998424, 2617996651, 5235993302, 10471986604, 20943973208]

約数ペア:

[(1, 20943973208), (2, 10471986604), (4, 5235993302), (8, 2617996651), (17, 1231998424), (34, 615999212), (68, 307999606), (136, 153999803)]