20946278

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{8677}}^1$

素因数の和:8767

約数の個数: 16

約数和(自身を含む): 33740064

約数和(自身を除く): 12793786

約数列:

[1, 2, 17, 34, 71, 142, 1207, 2414, 8677, 17354, 147509, 295018, 616067, 1232134, 10473139, 20946278]

約数ペア:

[(1, 20946278), (2, 10473139), (17, 1232134), (34, 616067), (71, 295018), (142, 147509), (1207, 17354), (2414, 8677)]