20880603

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{797}}^1$

素因数の和:915

約数の個数: 24

約数和(自身を含む): 31370976

約数和(自身を除く): 10490373

約数列:

[1, 3, 9, 41, 71, 123, 213, 369, 639, 797, 2391, 2911, 7173, 8733, 26199, 32677, 56587, 98031, 169761, 294093, 509283, 2320067, 6960201, 20880603]

約数ペア:

[(1, 20880603), (3, 6960201), (9, 2320067), (41, 509283), (71, 294093), (123, 169761), (213, 98031), (369, 56587), (639, 32677), (797, 26199), (2391, 8733), (2911, 7173)]