20199089925

素因数分解:

$3^2\times 5^2\times 7^3\times {\mathrm{227}}^1\times {\mathrm{1153}}^1$

素因数の和:1417

約数の個数: 144

約数和(自身を含む): 42413654400

約数和(自身を除く): 22214564475

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 49, 63, 75, 105, 147, 175, 225, 227, 245, 315, 343, 441, 525, 681, 735, 1029, 1135, 1153, 1225, 1575, 1589, 1715, 2043, 2205, 3087, 3405, 3459, 3675, 4767, 5145, 5675, 5765, 7945, 8071, 8575, 10215, 10377, 11025, 11123, 14301, 15435, 17025, 17295, 23835, 24213, 25725, 28825, 33369, 39725, 40355, 51075, 51885, 55615, 56497, 71505, 72639, 77175, 77861, 86475, 100107, 119175, 121065, 166845, 169491, 201775, 233583, 259425, 261731, 278075, 282485, 357525, 363195, 389305, 395479, 500535, 508473, 605325, 700749, 785193, 834225, 847455, 1167915, 1186437, 1308655, 1412425, 1815975, 1832117, 1946525, 1977395, 2355579, 2502675, 2542365, 3503745, 3559311, 3925965, 4237275, 5496351, 5839575, 5932185, 6543275, 9160585, 9886975, 11777895, 12711825, 12824819, 16489053, 17518725, 17796555, 19629825, 27481755, 29660925, 38474457, 45802925, 58889475, 64124095, 82445265, 88982775, 89773733, 115423371, 137408775, 192372285, 269321199, 320620475, 412226325, 448868665, 577116855, 807963597, 961861425, 1346605995, 2244343325, 2885584275, 4039817985, 6733029975, 20199089925]

約数ペア:

[(1, 20199089925), (3, 6733029975), (5, 4039817985), (7, 2885584275), (9, 2244343325), (15, 1346605995), (21, 961861425), (25, 807963597), (35, 577116855), (45, 448868665), (49, 412226325), (63, 320620475), (75, 269321199), (105, 192372285), (147, 137408775), (175, 115423371), (225, 89773733), (227, 88982775), (245, 82445265), (315, 64124095), (343, 58889475), (441, 45802925), (525, 38474457), (681, 29660925), (735, 27481755), (1029, 19629825), (1135, 17796555), (1153, 17518725), (1225, 16489053), (1575, 12824819), (1589, 12711825), (1715, 11777895), (2043, 9886975), (2205, 9160585), (3087, 6543275), (3405, 5932185), (3459, 5839575), (3675, 5496351), (4767, 4237275), (5145, 3925965), (5675, 3559311), (5765, 3503745), (7945, 2542365), (8071, 2502675), (8575, 2355579), (10215, 1977395), (10377, 1946525), (11025, 1832117), (11123, 1815975), (14301, 1412425), (15435, 1308655), (17025, 1186437), (17295, 1167915), (23835, 847455), (24213, 834225), (25725, 785193), (28825, 700749), (33369, 605325), (39725, 508473), (40355, 500535), (51075, 395479), (51885, 389305), (55615, 363195), (56497, 357525), (71505, 282485), (72639, 278075), (77175, 261731), (77861, 259425), (86475, 233583), (100107, 201775), (119175, 169491), (121065, 166845)]