20571292

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1879}}^1$

素因数の和:1930

約数の個数: 48

約数和(自身を含む): 45480960

約数和(自身を除く): 24909668

約数列:

[1, 2, 4, 7, 14, 17, 23, 28, 34, 46, 68, 92, 119, 161, 238, 322, 391, 476, 644, 782, 1564, 1879, 2737, 3758, 5474, 7516, 10948, 13153, 26306, 31943, 43217, 52612, 63886, 86434, 127772, 172868, 223601, 302519, 447202, 605038, 734689, 894404, 1210076, 1469378, 2938756, 5142823, 10285646, 20571292]

約数ペア:

[(1, 20571292), (2, 10285646), (4, 5142823), (7, 2938756), (14, 1469378), (17, 1210076), (23, 894404), (28, 734689), (34, 605038), (46, 447202), (68, 302519), (92, 223601), (119, 172868), (161, 127772), (238, 86434), (322, 63886), (391, 52612), (476, 43217), (644, 31943), (782, 26306), (1564, 13153), (1879, 10948), (2737, 7516), (3758, 5474)]