20876960

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{10037}}^1$

素因数の和:10065

約数の個数: 48

約数和(自身を含む): 53121096

約数和(自身を除く): 32244136

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 10037, 20074, 40148, 50185, 80296, 100370, 130481, 160592, 200740, 260962, 321184, 401480, 521924, 652405, 802960, 1043848, 1304810, 1605920, 2087696, 2609620, 4175392, 5219240, 10438480, 20876960]

約数ペア:

[(1, 20876960), (2, 10438480), (4, 5219240), (5, 4175392), (8, 2609620), (10, 2087696), (13, 1605920), (16, 1304810), (20, 1043848), (26, 802960), (32, 652405), (40, 521924), (52, 401480), (65, 321184), (80, 260962), (104, 200740), (130, 160592), (160, 130481), (208, 100370), (260, 80296), (416, 50185), (520, 40148), (1040, 20074), (2080, 10037)]