20815554

素因数分解:

$2^1\times 3^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1\times {\mathrm{463}}^1$

素因数の和:654

約数の個数: 32

約数和(自身を含む): 42762240

約数和(自身を除く): 21946686

約数列:

[1, 2, 3, 6, 59, 118, 127, 177, 254, 354, 381, 463, 762, 926, 1389, 2778, 7493, 14986, 22479, 27317, 44958, 54634, 58801, 81951, 117602, 163902, 176403, 352806, 3469259, 6938518, 10407777, 20815554]

約数ペア:

[(1, 20815554), (2, 10407777), (3, 6938518), (6, 3469259), (59, 352806), (118, 176403), (127, 163902), (177, 117602), (254, 81951), (354, 58801), (381, 54634), (463, 44958), (762, 27317), (926, 22479), (1389, 14986), (2778, 7493)]