20199771152

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{505601}}^1$

素因数の和:505847

約数の個数: 40

約数和(自身を含む): 42883139232

約数和(自身を除く): 22683368080

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 227, 454, 908, 1816, 2497, 3632, 4994, 9988, 19976, 39952, 505601, 1011202, 2022404, 4044808, 5561611, 8089616, 11123222, 22246444, 44492888, 88985776, 114771427, 229542854, 459085708, 918171416, 1262485697, 1836342832, 2524971394, 5049942788, 10099885576, 20199771152]

約数ペア:

[(1, 20199771152), (2, 10099885576), (4, 5049942788), (8, 2524971394), (11, 1836342832), (16, 1262485697), (22, 918171416), (44, 459085708), (88, 229542854), (176, 114771427), (227, 88985776), (454, 44492888), (908, 22246444), (1816, 11123222), (2497, 8089616), (3632, 5561611), (4994, 4044808), (9988, 2022404), (19976, 1011202), (39952, 505601)]