20896552

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{63709}}^1$

素因数の和:63756

約数の個数: 16

約数和(自身を含む): 40137300

約数和(自身を除く): 19240748

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 63709, 127418, 254836, 509672, 2612069, 5224138, 10448276, 20896552]

約数ペア:

[(1, 20896552), (2, 10448276), (4, 5224138), (8, 2612069), (41, 509672), (82, 254836), (164, 127418), (328, 63709)]