20581410

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{5237}}^1$

素因数の和:5378

約数の個数: 32

約数和(自身を含む): 49781952

約数和(自身を除く): 29200542

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 131, 262, 393, 655, 786, 1310, 1965, 3930, 5237, 10474, 15711, 26185, 31422, 52370, 78555, 157110, 686047, 1372094, 2058141, 3430235, 4116282, 6860470, 10290705, 20581410]

約数ペア:

[(1, 20581410), (2, 10290705), (3, 6860470), (5, 4116282), (6, 3430235), (10, 2058141), (15, 1372094), (30, 686047), (131, 157110), (262, 78555), (393, 52370), (655, 31422), (786, 26185), (1310, 15711), (1965, 10474), (3930, 5237)]