67820020

素因数分解:

$2^2\times 5^1\times {\mathrm{887}}^1\times {\mathrm{3823}}^1$

素因数の和:4719

約数の個数: 24

約数和(自身を含む): 142619904

約数和(自身を除く): 74799884

約数列:

[1, 2, 4, 5, 10, 20, 887, 1774, 3548, 3823, 4435, 7646, 8870, 15292, 17740, 19115, 38230, 76460, 3391001, 6782002, 13564004, 16955005, 33910010, 67820020]

約数ペア:

[(1, 67820020), (2, 33910010), (4, 16955005), (5, 13564004), (10, 6782002), (20, 3391001), (887, 76460), (1774, 38230), (3548, 19115), (3823, 17740), (4435, 15292), (7646, 8870)]