20163708440

素因数分解:

$2^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{2091671}}^1$

素因数の和:2091923

約数の個数: 32

約数和(自身を含む): 45556616160

約数和(自身を除く): 25392907720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 241, 482, 964, 1205, 1928, 2410, 4820, 9640, 2091671, 4183342, 8366684, 10458355, 16733368, 20916710, 41833420, 83666840, 504092711, 1008185422, 2016370844, 2520463555, 4032741688, 5040927110, 10081854220, 20163708440]

約数ペア:

[(1, 20163708440), (2, 10081854220), (4, 5040927110), (5, 4032741688), (8, 2520463555), (10, 2016370844), (20, 1008185422), (40, 504092711), (241, 83666840), (482, 41833420), (964, 20916710), (1205, 16733368), (1928, 10458355), (2410, 8366684), (4820, 4183342), (9640, 2091671)]