20194085780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{4831121}}^1$

素因数の和:4831160

約数の個数: 48

約数和(自身を含む): 48697709760

約数和(自身を除く): 28503623980

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 4831121, 9662242, 19324484, 24155605, 48311210, 53142331, 91791299, 96622420, 106284662, 183582598, 212569324, 265711655, 367165196, 458956495, 531423310, 917912990, 1009704289, 1062846620, 1835825980, 2019408578, 4038817156, 5048521445, 10097042890, 20194085780]

約数ペア:

[(1, 20194085780), (2, 10097042890), (4, 5048521445), (5, 4038817156), (10, 2019408578), (11, 1835825980), (19, 1062846620), (20, 1009704289), (22, 917912990), (38, 531423310), (44, 458956495), (55, 367165196), (76, 265711655), (95, 212569324), (110, 183582598), (190, 106284662), (209, 96622420), (220, 91791299), (380, 53142331), (418, 48311210), (836, 24155605), (1045, 19324484), (2090, 9662242), (4180, 4831121)]