20216663600

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{7220237}}^1$

素因数の和:7220262

約数の個数: 60

約数和(自身を含む): 55509189744

約数和(自身を除く): 35292526144

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 140, 175, 200, 280, 350, 400, 560, 700, 1400, 2800, 7220237, 14440474, 28880948, 36101185, 50541659, 57761896, 72202370, 101083318, 115523792, 144404740, 180505925, 202166636, 252708295, 288809480, 361011850, 404333272, 505416590, 577618960, 722023700, 808666544, 1010833180, 1263541475, 1444047400, 2021666360, 2527082950, 2888094800, 4043332720, 5054165900, 10108331800, 20216663600]

約数ペア:

[(1, 20216663600), (2, 10108331800), (4, 5054165900), (5, 4043332720), (7, 2888094800), (8, 2527082950), (10, 2021666360), (14, 1444047400), (16, 1263541475), (20, 1010833180), (25, 808666544), (28, 722023700), (35, 577618960), (40, 505416590), (50, 404333272), (56, 361011850), (70, 288809480), (80, 252708295), (100, 202166636), (112, 180505925), (140, 144404740), (175, 115523792), (200, 101083318), (280, 72202370), (350, 57761896), (400, 50541659), (560, 36101185), (700, 28880948), (1400, 14440474), (2800, 7220237)]