20820292840

素因数分解:

$2^3\times 5^1\times {\mathrm{233}}^1\times {\mathrm{2233937}}^1$

素因数の和:2234181

約数の個数: 32

約数和(自身を含む): 47046734280

約数和(自身を除く): 26226441440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 233, 466, 932, 1165, 1864, 2330, 4660, 9320, 2233937, 4467874, 8935748, 11169685, 17871496, 22339370, 44678740, 89357480, 520507321, 1041014642, 2082029284, 2602536605, 4164058568, 5205073210, 10410146420, 20820292840]

約数ペア:

[(1, 20820292840), (2, 10410146420), (4, 5205073210), (5, 4164058568), (8, 2602536605), (10, 2082029284), (20, 1041014642), (40, 520507321), (233, 89357480), (466, 44678740), (932, 22339370), (1165, 17871496), (1864, 11169685), (2330, 8935748), (4660, 4467874), (9320, 2233937)]