20173418505

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1\times {\mathrm{599}}^1$

素因数の和:891

約数の個数: 96

約数和(自身を含む): 36229939200

約数和(自身を除く): 16056520695

約数列:

[1, 3, 5, 9, 15, 45, 71, 83, 127, 213, 249, 355, 381, 415, 599, 635, 639, 747, 1065, 1143, 1245, 1797, 1905, 2995, 3195, 3735, 5391, 5715, 5893, 8985, 9017, 10541, 17679, 26955, 27051, 29465, 31623, 42529, 45085, 49717, 52705, 53037, 76073, 81153, 88395, 94869, 127587, 135255, 149151, 158115, 212645, 228219, 248585, 265185, 380365, 382761, 405765, 447453, 474345, 637935, 684657, 745755, 748411, 1141095, 1913805, 2237265, 2245233, 3423285, 3529907, 3742055, 5401183, 6314059, 6735699, 10589721, 11226165, 16203549, 17649535, 18942177, 27005915, 31570295, 31769163, 33678495, 48610647, 52948605, 56826531, 81017745, 94710885, 158845815, 243053235, 284132655, 448298189, 1344894567, 2241490945, 4034683701, 6724472835, 20173418505]

約数ペア:

[(1, 20173418505), (3, 6724472835), (5, 4034683701), (9, 2241490945), (15, 1344894567), (45, 448298189), (71, 284132655), (83, 243053235), (127, 158845815), (213, 94710885), (249, 81017745), (355, 56826531), (381, 52948605), (415, 48610647), (599, 33678495), (635, 31769163), (639, 31570295), (747, 27005915), (1065, 18942177), (1143, 17649535), (1245, 16203549), (1797, 11226165), (1905, 10589721), (2995, 6735699), (3195, 6314059), (3735, 5401183), (5391, 3742055), (5715, 3529907), (5893, 3423285), (8985, 2245233), (9017, 2237265), (10541, 1913805), (17679, 1141095), (26955, 748411), (27051, 745755), (29465, 684657), (31623, 637935), (42529, 474345), (45085, 447453), (49717, 405765), (52705, 382761), (53037, 380365), (76073, 265185), (81153, 248585), (88395, 228219), (94869, 212645), (127587, 158115), (135255, 149151)]