20017170

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1129}}^1$

素因数の和:1339

約数の個数: 48

約数和(自身を含む): 52355160

約数和(自身を除く): 32337990

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 197, 394, 591, 985, 1129, 1182, 1773, 1970, 2258, 2955, 3387, 3546, 5645, 5910, 6774, 8865, 10161, 11290, 16935, 17730, 20322, 33870, 50805, 101610, 222413, 444826, 667239, 1112065, 1334478, 2001717, 2224130, 3336195, 4003434, 6672390, 10008585, 20017170]

約数ペア:

[(1, 20017170), (2, 10008585), (3, 6672390), (5, 4003434), (6, 3336195), (9, 2224130), (10, 2001717), (15, 1334478), (18, 1112065), (30, 667239), (45, 444826), (90, 222413), (197, 101610), (394, 50805), (591, 33870), (985, 20322), (1129, 17730), (1182, 16935), (1773, 11290), (1970, 10161), (2258, 8865), (2955, 6774), (3387, 5910), (3546, 5645)]