20164073240

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{1916737}}^1$

素因数の和:1917011

約数の個数: 32

約数和(自身を含む): 45541694880

約数和(自身を除く): 25377621640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2630, 5260, 10520, 1916737, 3833474, 7666948, 9583685, 15333896, 19167370, 38334740, 76669480, 504101831, 1008203662, 2016407324, 2520509155, 4032814648, 5041018310, 10082036620, 20164073240]

約数ペア:

[(1, 20164073240), (2, 10082036620), (4, 5041018310), (5, 4032814648), (8, 2520509155), (10, 2016407324), (20, 1008203662), (40, 504101831), (263, 76669480), (526, 38334740), (1052, 19167370), (1315, 15333896), (2104, 9583685), (2630, 7666948), (5260, 3833474), (10520, 1916737)]