20907671

素因数分解:

${\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{409}}^1$

素因数の和:554

約数の個数: 16

約数和(自身を含む): 23143680

約数和(自身を除く): 2236009

約数列:

[1, 17, 31, 97, 409, 527, 1649, 3007, 6953, 12679, 39673, 51119, 215543, 674441, 1229863, 20907671]

約数ペア:

[(1, 20907671), (17, 1229863), (31, 674441), (97, 215543), (409, 51119), (527, 39673), (1649, 12679), (3007, 6953)]