20584935

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:214

約数の個数: 80

約数和(自身を含む): 43281216

約数和(自身を除く): 22696281

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 53, 63, 81, 105, 135, 137, 159, 189, 265, 315, 371, 405, 411, 477, 567, 685, 795, 945, 959, 1113, 1233, 1431, 1855, 2055, 2385, 2835, 2877, 3339, 3699, 4293, 4795, 5565, 6165, 7155, 7261, 8631, 10017, 11097, 14385, 16695, 18495, 21465, 21783, 25893, 30051, 36305, 43155, 50085, 50827, 55485, 65349, 77679, 108915, 129465, 150255, 152481, 196047, 254135, 326745, 388395, 457443, 588141, 762405, 980235, 1372329, 2287215, 2940705, 4116987, 6861645, 20584935]

約数ペア:

[(1, 20584935), (3, 6861645), (5, 4116987), (7, 2940705), (9, 2287215), (15, 1372329), (21, 980235), (27, 762405), (35, 588141), (45, 457443), (53, 388395), (63, 326745), (81, 254135), (105, 196047), (135, 152481), (137, 150255), (159, 129465), (189, 108915), (265, 77679), (315, 65349), (371, 55485), (405, 50827), (411, 50085), (477, 43155), (567, 36305), (685, 30051), (795, 25893), (945, 21783), (959, 21465), (1113, 18495), (1233, 16695), (1431, 14385), (1855, 11097), (2055, 10017), (2385, 8631), (2835, 7261), (2877, 7155), (3339, 6165), (3699, 5565), (4293, 4795)]