20580306

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{2473}}^1$

素因数の和:2570

約数の個数: 32

約数和(自身を含む): 43938240

約数和(自身を除く): 23357934

約数列:

[1, 2, 3, 6, 19, 38, 57, 73, 114, 146, 219, 438, 1387, 2473, 2774, 4161, 4946, 7419, 8322, 14838, 46987, 93974, 140961, 180529, 281922, 361058, 541587, 1083174, 3430051, 6860102, 10290153, 20580306]

約数ペア:

[(1, 20580306), (2, 10290153), (3, 6860102), (6, 3430051), (19, 1083174), (38, 541587), (57, 361058), (73, 281922), (114, 180529), (146, 140961), (219, 93974), (438, 46987), (1387, 14838), (2473, 8322), (2774, 7419), (4161, 4946)]