20073020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{3967}}^1$

素因数の和:4010

約数の個数: 48

約数和(自身を含む): 47996928

約数和(自身を除く): 27923908

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 1012, 1265, 2530, 3967, 5060, 7934, 15868, 19835, 39670, 43637, 79340, 87274, 91241, 174548, 182482, 218185, 364964, 436370, 456205, 872740, 912410, 1003651, 1824820, 2007302, 4014604, 5018255, 10036510, 20073020]

約数ペア:

[(1, 20073020), (2, 10036510), (4, 5018255), (5, 4014604), (10, 2007302), (11, 1824820), (20, 1003651), (22, 912410), (23, 872740), (44, 456205), (46, 436370), (55, 364964), (92, 218185), (110, 182482), (115, 174548), (220, 91241), (230, 87274), (253, 79340), (460, 43637), (506, 39670), (1012, 19835), (1265, 15868), (2530, 7934), (3967, 5060)]