20888974670

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{396601}}^1$

素因数の和:396860

約数の個数: 32

約数和(自身を含む): 39406374720

約数和(自身を除く): 18517400050

約数列:

[1, 2, 5, 10, 23, 46, 115, 229, 230, 458, 1145, 2290, 5267, 10534, 26335, 52670, 396601, 793202, 1983005, 3966010, 9121823, 18243646, 45609115, 90821629, 91218230, 181643258, 454108145, 908216290, 2088897467, 4177794934, 10444487335, 20888974670]

約数ペア:

[(1, 20888974670), (2, 10444487335), (5, 4177794934), (10, 2088897467), (23, 908216290), (46, 454108145), (115, 181643258), (229, 91218230), (230, 90821629), (458, 45609115), (1145, 18243646), (2290, 9121823), (5267, 3966010), (10534, 1983005), (26335, 793202), (52670, 396601)]