20355872432

素因数分解:

$2^4\times 7^2\times {\mathrm{113}}^1\times {\mathrm{229771}}^1$

素因数の和:229906

約数の個数: 60

約数和(自身を含む): 46284812136

約数和(自身を除く): 25928939704

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 113, 196, 226, 392, 452, 784, 791, 904, 1582, 1808, 3164, 5537, 6328, 11074, 12656, 22148, 44296, 88592, 229771, 459542, 919084, 1608397, 1838168, 3216794, 3676336, 6433588, 11258779, 12867176, 22517558, 25734352, 25964123, 45035116, 51928246, 90070232, 103856492, 180140464, 181748861, 207712984, 363497722, 415425968, 726995444, 1272242027, 1453990888, 2544484054, 2907981776, 5088968108, 10177936216, 20355872432]

約数ペア:

[(1, 20355872432), (2, 10177936216), (4, 5088968108), (7, 2907981776), (8, 2544484054), (14, 1453990888), (16, 1272242027), (28, 726995444), (49, 415425968), (56, 363497722), (98, 207712984), (112, 181748861), (113, 180140464), (196, 103856492), (226, 90070232), (392, 51928246), (452, 45035116), (784, 25964123), (791, 25734352), (904, 22517558), (1582, 12867176), (1808, 11258779), (3164, 6433588), (5537, 3676336), (6328, 3216794), (11074, 1838168), (12656, 1608397), (22148, 919084), (44296, 459542), (88592, 229771)]