20806058210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{677}}^1\times {\mathrm{3457}}^1$

素因数の和:4275

約数の個数: 64

約数和(自身を含む): 43214266368

約数和(自身を除く): 22408208158

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 127, 254, 635, 677, 889, 1270, 1354, 1778, 3385, 3457, 4445, 4739, 6770, 6914, 8890, 9478, 17285, 23695, 24199, 34570, 47390, 48398, 85979, 120995, 171958, 241990, 429895, 439039, 601853, 859790, 878078, 1203706, 2195195, 2340389, 3009265, 3073273, 4390390, 4680778, 6018530, 6146546, 11701945, 15366365, 16382723, 23403890, 30732730, 32765446, 81913615, 163827230, 297229403, 594458806, 1486147015, 2080605821, 2972294030, 4161211642, 10403029105, 20806058210]

約数ペア:

[(1, 20806058210), (2, 10403029105), (5, 4161211642), (7, 2972294030), (10, 2080605821), (14, 1486147015), (35, 594458806), (70, 297229403), (127, 163827230), (254, 81913615), (635, 32765446), (677, 30732730), (889, 23403890), (1270, 16382723), (1354, 15366365), (1778, 11701945), (3385, 6146546), (3457, 6018530), (4445, 4680778), (4739, 4390390), (6770, 3073273), (6914, 3009265), (8890, 2340389), (9478, 2195195), (17285, 1203706), (23695, 878078), (24199, 859790), (34570, 601853), (47390, 439039), (48398, 429895), (85979, 241990), (120995, 171958)]