20213223555

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{715639}}^1$

素因数の和:715923

約数の個数: 32

約数和(自身を含む): 37098777600

約数和(自身を除く): 16885554045

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 269, 807, 1345, 1883, 4035, 5649, 9415, 28245, 715639, 2146917, 3578195, 5009473, 10734585, 15028419, 25047365, 75142095, 192506891, 577520673, 962534455, 1347548237, 2887603365, 4042644711, 6737741185, 20213223555]

約数ペア:

[(1, 20213223555), (3, 6737741185), (5, 4042644711), (7, 2887603365), (15, 1347548237), (21, 962534455), (35, 577520673), (105, 192506891), (269, 75142095), (807, 25047365), (1345, 15028419), (1883, 10734585), (4035, 5009473), (5649, 3578195), (9415, 2146917), (28245, 715639)]