20886960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{3001}}^1$

素因数の和:3046

約数の個数: 80

約数和(自身を含む): 67004640

約数和(自身を除く): 46117680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 40, 48, 58, 60, 80, 87, 116, 120, 145, 174, 232, 240, 290, 348, 435, 464, 580, 696, 870, 1160, 1392, 1740, 2320, 3001, 3480, 6002, 6960, 9003, 12004, 15005, 18006, 24008, 30010, 36012, 45015, 48016, 60020, 72024, 87029, 90030, 120040, 144048, 174058, 180060, 240080, 261087, 348116, 360120, 435145, 522174, 696232, 720240, 870290, 1044348, 1305435, 1392464, 1740580, 2088696, 2610870, 3481160, 4177392, 5221740, 6962320, 10443480, 20886960]

約数ペア:

[(1, 20886960), (2, 10443480), (3, 6962320), (4, 5221740), (5, 4177392), (6, 3481160), (8, 2610870), (10, 2088696), (12, 1740580), (15, 1392464), (16, 1305435), (20, 1044348), (24, 870290), (29, 720240), (30, 696232), (40, 522174), (48, 435145), (58, 360120), (60, 348116), (80, 261087), (87, 240080), (116, 180060), (120, 174058), (145, 144048), (174, 120040), (232, 90030), (240, 87029), (290, 72024), (348, 60020), (435, 48016), (464, 45015), (580, 36012), (696, 30010), (870, 24008), (1160, 18006), (1392, 15005), (1740, 12004), (2320, 9003), (3001, 6960), (3480, 6002)]