20059905740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{599519}}^1$

素因数の和:599774

約数の個数: 48

約数和(自身を含む): 48345292800

約数和(自身を除く): 28285387060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 239, 478, 956, 1195, 1673, 2390, 3346, 4780, 6692, 8365, 16730, 33460, 599519, 1199038, 2398076, 2997595, 4196633, 5995190, 8393266, 11990380, 16786532, 20983165, 41966330, 83932660, 143285041, 286570082, 573140164, 716425205, 1002995287, 1432850410, 2005990574, 2865700820, 4011981148, 5014976435, 10029952870, 20059905740]

約数ペア:

[(1, 20059905740), (2, 10029952870), (4, 5014976435), (5, 4011981148), (7, 2865700820), (10, 2005990574), (14, 1432850410), (20, 1002995287), (28, 716425205), (35, 573140164), (70, 286570082), (140, 143285041), (239, 83932660), (478, 41966330), (956, 20983165), (1195, 16786532), (1673, 11990380), (2390, 8393266), (3346, 5995190), (4780, 4196633), (6692, 2997595), (8365, 2398076), (16730, 1199038), (33460, 599519)]