20064825

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^3\times {\mathrm{67}}^1$

素因数の和:116

約数の個数: 72

約数和(自身を含む): 40119456

約数和(自身を除く): 20054631

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 67, 75, 99, 121, 165, 201, 225, 275, 335, 363, 495, 603, 605, 737, 825, 1005, 1089, 1331, 1675, 1815, 2211, 2475, 3015, 3025, 3685, 3993, 5025, 5445, 6633, 6655, 8107, 9075, 11055, 11979, 15075, 18425, 19965, 24321, 27225, 33165, 33275, 40535, 55275, 59895, 72963, 89177, 99825, 121605, 165825, 202675, 267531, 299475, 364815, 445885, 608025, 802593, 1337655, 1824075, 2229425, 4012965, 6688275, 20064825]

約数ペア:

[(1, 20064825), (3, 6688275), (5, 4012965), (9, 2229425), (11, 1824075), (15, 1337655), (25, 802593), (33, 608025), (45, 445885), (55, 364815), (67, 299475), (75, 267531), (99, 202675), (121, 165825), (165, 121605), (201, 99825), (225, 89177), (275, 72963), (335, 59895), (363, 55275), (495, 40535), (603, 33275), (605, 33165), (737, 27225), (825, 24321), (1005, 19965), (1089, 18425), (1331, 15075), (1675, 11979), (1815, 11055), (2211, 9075), (2475, 8107), (3015, 6655), (3025, 6633), (3685, 5445), (3993, 5025)]