20854514

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{223}}^1$

素因数の和:374

約数の個数: 32

約数和(自身を含む): 34836480

約数和(自身を除く): 13981966

約数列:

[1, 2, 19, 23, 38, 46, 107, 214, 223, 437, 446, 874, 2033, 2461, 4066, 4237, 4922, 5129, 8474, 10258, 23861, 46759, 47722, 93518, 97451, 194902, 453359, 548803, 906718, 1097606, 10427257, 20854514]

約数ペア:

[(1, 20854514), (2, 10427257), (19, 1097606), (23, 906718), (38, 548803), (46, 453359), (107, 194902), (214, 97451), (223, 93518), (437, 47722), (446, 46759), (874, 23861), (2033, 10258), (2461, 8474), (4066, 5129), (4237, 4922)]