20173909240

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{11729017}}^1$

素因数の和:11729071

約数の個数: 32

約数和(自身を含む): 46446911280

約数和(自身を除く): 26273002040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 11729017, 23458034, 46916068, 58645085, 93832136, 117290170, 234580340, 469160680, 504347731, 1008695462, 2017390924, 2521738655, 4034781848, 5043477310, 10086954620, 20173909240]

約数ペア:

[(1, 20173909240), (2, 10086954620), (4, 5043477310), (5, 4034781848), (8, 2521738655), (10, 2017390924), (20, 1008695462), (40, 504347731), (43, 469160680), (86, 234580340), (172, 117290170), (215, 93832136), (344, 58645085), (430, 46916068), (860, 23458034), (1720, 11729017)]