20679900530

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{337}}^1\times {\mathrm{479}}^1\times {\mathrm{557}}^1$

素因数の和:1403

約数の個数: 64

約数和(自身を含む): 39108925440

約数和(自身を除く): 18429024910

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 337, 479, 557, 674, 958, 1114, 1685, 2395, 2785, 3370, 4790, 5570, 7751, 11017, 12811, 15502, 22034, 25622, 38755, 55085, 64055, 77510, 110170, 128110, 161423, 187709, 266803, 322846, 375418, 533606, 807115, 938545, 1334015, 1614230, 1877090, 2668030, 3712729, 4317307, 6136469, 7425458, 8634614, 12272938, 18563645, 21586535, 30682345, 37127290, 43173070, 61364690, 89912611, 179825222, 449563055, 899126110, 2067990053, 4135980106, 10339950265, 20679900530]

約数ペア:

[(1, 20679900530), (2, 10339950265), (5, 4135980106), (10, 2067990053), (23, 899126110), (46, 449563055), (115, 179825222), (230, 89912611), (337, 61364690), (479, 43173070), (557, 37127290), (674, 30682345), (958, 21586535), (1114, 18563645), (1685, 12272938), (2395, 8634614), (2785, 7425458), (3370, 6136469), (4790, 4317307), (5570, 3712729), (7751, 2668030), (11017, 1877090), (12811, 1614230), (15502, 1334015), (22034, 938545), (25622, 807115), (38755, 533606), (55085, 375418), (64055, 322846), (77510, 266803), (110170, 187709), (128110, 161423)]