20366360

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{10391}}^1$

素因数の和:10416

約数の個数: 48

約数和(自身を含む): 53310960

約数和(自身を除く): 32944600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 10391, 20782, 41564, 51955, 72737, 83128, 103910, 145474, 207820, 290948, 363685, 415640, 509159, 581896, 727370, 1018318, 1454740, 2036636, 2545795, 2909480, 4073272, 5091590, 10183180, 20366360]

約数ペア:

[(1, 20366360), (2, 10183180), (4, 5091590), (5, 4073272), (7, 2909480), (8, 2545795), (10, 2036636), (14, 1454740), (20, 1018318), (28, 727370), (35, 581896), (40, 509159), (49, 415640), (56, 363685), (70, 290948), (98, 207820), (140, 145474), (196, 103910), (245, 83128), (280, 72737), (392, 51955), (490, 41564), (980, 20782), (1960, 10391)]