20122245

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:147

約数の個数: 96

約数和(自身を含む): 42456960

約数和(自身を除く): 22334715

約数列:

[1, 3, 5, 9, 11, 13, 15, 33, 39, 45, 53, 55, 59, 65, 99, 117, 143, 159, 165, 177, 195, 265, 295, 429, 477, 495, 531, 583, 585, 649, 689, 715, 767, 795, 885, 1287, 1749, 1947, 2067, 2145, 2301, 2385, 2655, 2915, 3127, 3245, 3445, 3835, 5247, 5841, 6201, 6435, 6903, 7579, 8437, 8745, 9381, 9735, 10335, 11505, 15635, 22737, 25311, 26235, 28143, 29205, 31005, 34397, 34515, 37895, 40651, 42185, 46905, 68211, 75933, 103191, 113685, 121953, 126555, 140715, 171985, 203255, 309573, 341055, 365859, 379665, 447161, 515955, 609765, 1341483, 1547865, 1829295, 2235805, 4024449, 6707415, 20122245]

約数ペア:

[(1, 20122245), (3, 6707415), (5, 4024449), (9, 2235805), (11, 1829295), (13, 1547865), (15, 1341483), (33, 609765), (39, 515955), (45, 447161), (53, 379665), (55, 365859), (59, 341055), (65, 309573), (99, 203255), (117, 171985), (143, 140715), (159, 126555), (165, 121953), (177, 113685), (195, 103191), (265, 75933), (295, 68211), (429, 46905), (477, 42185), (495, 40651), (531, 37895), (583, 34515), (585, 34397), (649, 31005), (689, 29205), (715, 28143), (767, 26235), (795, 25311), (885, 22737), (1287, 15635), (1749, 11505), (1947, 10335), (2067, 9735), (2145, 9381), (2301, 8745), (2385, 8437), (2655, 7579), (2915, 6903), (3127, 6435), (3245, 6201), (3445, 5841), (3835, 5247)]