20414570

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{8069}}^1$

素因数の和:8110

約数の個数: 32

約数和(自身を含む): 41834880

約数和(自身を除く): 21420310

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 8069, 16138, 40345, 80690, 88759, 177518, 185587, 371174, 443795, 887590, 927935, 1855870, 2041457, 4082914, 10207285, 20414570]

約数ペア:

[(1, 20414570), (2, 10207285), (5, 4082914), (10, 2041457), (11, 1855870), (22, 927935), (23, 887590), (46, 443795), (55, 371174), (110, 185587), (115, 177518), (230, 88759), (253, 80690), (506, 40345), (1265, 16138), (2530, 8069)]