20172288621

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{359}}^1\times {\mathrm{47903}}^1$

素因数の和:48305

約数の個数: 32

約数和(自身を含む): 29800120320

約数和(自身を除く): 9627831699

約数列:

[1, 3, 17, 23, 51, 69, 359, 391, 1077, 1173, 6103, 8257, 18309, 24771, 47903, 140369, 143709, 421107, 814351, 1101769, 2443053, 3305307, 17197177, 18730073, 51591531, 56190219, 292352009, 395535071, 877056027, 1186605213, 6724096207, 20172288621]

約数ペア:

[(1, 20172288621), (3, 6724096207), (17, 1186605213), (23, 877056027), (51, 395535071), (69, 292352009), (359, 56190219), (391, 51591531), (1077, 18730073), (1173, 17197177), (6103, 3305307), (8257, 2443053), (18309, 1101769), (24771, 814351), (47903, 421107), (140369, 143709)]