20163156975

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{467}}^1\times {\mathrm{509}}^1$

素因数の和:1034

約数の個数: 144

約数和(自身を含む): 40398976800

約数和(自身を除く): 20235819825

約数列:

[1, 3, 5, 9, 13, 15, 25, 29, 39, 45, 65, 75, 87, 117, 145, 195, 225, 261, 325, 377, 435, 467, 509, 585, 725, 975, 1131, 1305, 1401, 1527, 1885, 2175, 2335, 2545, 2925, 3393, 4203, 4581, 5655, 6071, 6525, 6617, 7005, 7635, 9425, 11675, 12725, 13543, 14761, 16965, 18213, 19851, 21015, 22905, 28275, 30355, 33085, 35025, 38175, 40629, 44283, 54639, 59553, 67715, 73805, 84825, 91065, 99255, 105075, 114525, 121887, 132849, 151775, 165425, 176059, 191893, 203145, 221415, 237703, 273195, 297765, 338575, 369025, 455325, 496275, 528177, 575679, 609435, 664245, 713109, 880295, 959465, 1015725, 1107075, 1188515, 1365975, 1488825, 1584531, 1727037, 2139327, 2640885, 2878395, 3047175, 3090139, 3321225, 3565545, 4401475, 4797325, 5942575, 6893387, 7922655, 8635185, 9270417, 10696635, 13204425, 14391975, 15450695, 17827725, 20680161, 27811251, 34466935, 39613275, 43175925, 46352085, 53483175, 62040483, 77253475, 89614031, 103400805, 139056255, 172334675, 231760425, 268842093, 310202415, 448070155, 517004025, 695281275, 806526279, 1344210465, 1551012075, 2240350775, 4032631395, 6721052325, 20163156975]

約数ペア:

[(1, 20163156975), (3, 6721052325), (5, 4032631395), (9, 2240350775), (13, 1551012075), (15, 1344210465), (25, 806526279), (29, 695281275), (39, 517004025), (45, 448070155), (65, 310202415), (75, 268842093), (87, 231760425), (117, 172334675), (145, 139056255), (195, 103400805), (225, 89614031), (261, 77253475), (325, 62040483), (377, 53483175), (435, 46352085), (467, 43175925), (509, 39613275), (585, 34466935), (725, 27811251), (975, 20680161), (1131, 17827725), (1305, 15450695), (1401, 14391975), (1527, 13204425), (1885, 10696635), (2175, 9270417), (2335, 8635185), (2545, 7922655), (2925, 6893387), (3393, 5942575), (4203, 4797325), (4581, 4401475), (5655, 3565545), (6071, 3321225), (6525, 3090139), (6617, 3047175), (7005, 2878395), (7635, 2640885), (9425, 2139327), (11675, 1727037), (12725, 1584531), (13543, 1488825), (14761, 1365975), (16965, 1188515), (18213, 1107075), (19851, 1015725), (21015, 959465), (22905, 880295), (28275, 713109), (30355, 664245), (33085, 609435), (35025, 575679), (38175, 528177), (40629, 496275), (44283, 455325), (54639, 369025), (59553, 338575), (67715, 297765), (73805, 273195), (84825, 237703), (91065, 221415), (99255, 203145), (105075, 191893), (114525, 176059), (121887, 165425), (132849, 151775)]