20085670

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{467}}^1$

素因数の和:525

約数の個数: 64

約数和(自身を含む): 43670016

約数和(自身を除く): 23584346

約数列:

[1, 2, 5, 10, 11, 17, 22, 23, 34, 46, 55, 85, 110, 115, 170, 187, 230, 253, 374, 391, 467, 506, 782, 934, 935, 1265, 1870, 1955, 2335, 2530, 3910, 4301, 4670, 5137, 7939, 8602, 10274, 10741, 15878, 21482, 21505, 25685, 39695, 43010, 51370, 53705, 79390, 87329, 107410, 118151, 174658, 182597, 236302, 365194, 436645, 590755, 873290, 912985, 1181510, 1825970, 2008567, 4017134, 10042835, 20085670]

約数ペア:

[(1, 20085670), (2, 10042835), (5, 4017134), (10, 2008567), (11, 1825970), (17, 1181510), (22, 912985), (23, 873290), (34, 590755), (46, 436645), (55, 365194), (85, 236302), (110, 182597), (115, 174658), (170, 118151), (187, 107410), (230, 87329), (253, 79390), (374, 53705), (391, 51370), (467, 43010), (506, 39695), (782, 25685), (934, 21505), (935, 21482), (1265, 15878), (1870, 10741), (1955, 10274), (2335, 8602), (2530, 7939), (3910, 5137), (4301, 4670)]