20713551485

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{359}}^1\times {\mathrm{2683}}^1$

素因数の和:3098

約数の個数: 64

約数和(自身を含む): 30053928960

約数和(自身を除く): 9340377475

約数列:

[1, 5, 11, 17, 23, 55, 85, 115, 187, 253, 359, 391, 935, 1265, 1795, 1955, 2683, 3949, 4301, 6103, 8257, 13415, 19745, 21505, 29513, 30515, 41285, 45611, 61709, 67133, 90827, 140369, 147565, 228055, 308545, 335665, 454135, 501721, 678799, 701845, 963197, 1049053, 1544059, 2508605, 3393995, 4815985, 5245265, 7720295, 10595167, 11539583, 16374349, 22153531, 52975835, 57697915, 81871745, 110767655, 180117839, 243688841, 376610027, 900589195, 1218444205, 1883050135, 4142710297, 20713551485]

約数ペア:

[(1, 20713551485), (5, 4142710297), (11, 1883050135), (17, 1218444205), (23, 900589195), (55, 376610027), (85, 243688841), (115, 180117839), (187, 110767655), (253, 81871745), (359, 57697915), (391, 52975835), (935, 22153531), (1265, 16374349), (1795, 11539583), (1955, 10595167), (2683, 7720295), (3949, 5245265), (4301, 4815985), (6103, 3393995), (8257, 2508605), (13415, 1544059), (19745, 1049053), (21505, 963197), (29513, 701845), (30515, 678799), (41285, 501721), (45611, 454135), (61709, 335665), (67133, 308545), (90827, 228055), (140369, 147565)]