20337075

素因数分解:

$3^4\times 5^2\times {\mathrm{11}}^2\times {\mathrm{83}}^1$

素因数の和:127

約数の個数: 90

約数和(自身を含む): 41906172

約数和(自身を除く): 21569097

約数列:

[1, 3, 5, 9, 11, 15, 25, 27, 33, 45, 55, 75, 81, 83, 99, 121, 135, 165, 225, 249, 275, 297, 363, 405, 415, 495, 605, 675, 747, 825, 891, 913, 1089, 1245, 1485, 1815, 2025, 2075, 2241, 2475, 2739, 3025, 3267, 3735, 4455, 4565, 5445, 6225, 6723, 7425, 8217, 9075, 9801, 10043, 11205, 13695, 16335, 18675, 22275, 22825, 24651, 27225, 30129, 33615, 41085, 49005, 50215, 56025, 68475, 73953, 81675, 90387, 123255, 150645, 168075, 205425, 245025, 251075, 271161, 369765, 451935, 616275, 753225, 813483, 1355805, 1848825, 2259675, 4067415, 6779025, 20337075]

約数ペア:

[(1, 20337075), (3, 6779025), (5, 4067415), (9, 2259675), (11, 1848825), (15, 1355805), (25, 813483), (27, 753225), (33, 616275), (45, 451935), (55, 369765), (75, 271161), (81, 251075), (83, 245025), (99, 205425), (121, 168075), (135, 150645), (165, 123255), (225, 90387), (249, 81675), (275, 73953), (297, 68475), (363, 56025), (405, 50215), (415, 49005), (495, 41085), (605, 33615), (675, 30129), (747, 27225), (825, 24651), (891, 22825), (913, 22275), (1089, 18675), (1245, 16335), (1485, 13695), (1815, 11205), (2025, 10043), (2075, 9801), (2241, 9075), (2475, 8217), (2739, 7425), (3025, 6723), (3267, 6225), (3735, 5445), (4455, 4565)]