20656490

素因数分解:

$2^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1\times {\mathrm{223}}^1$

素因数の和:446

約数の個数: 32

約数和(自身を含む): 38223360

約数和(自身を除く): 17566870

約数列:

[1, 2, 5, 10, 59, 118, 157, 223, 295, 314, 446, 590, 785, 1115, 1570, 2230, 9263, 13157, 18526, 26314, 35011, 46315, 65785, 70022, 92630, 131570, 175055, 350110, 2065649, 4131298, 10328245, 20656490]

約数ペア:

[(1, 20656490), (2, 10328245), (5, 4131298), (10, 2065649), (59, 350110), (118, 175055), (157, 131570), (223, 92630), (295, 70022), (314, 65785), (446, 46315), (590, 35011), (785, 26314), (1115, 18526), (1570, 13157), (2230, 9263)]