20489718960

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{1123}}^1\times {\mathrm{8447}}^1$

素因数の和:9592

約数の個数: 160

約数和(自身を含む): 70646906880

約数和(自身を除く): 50157187920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 1123, 2160, 2246, 3369, 4492, 5615, 6738, 8447, 8984, 10107, 11230, 13476, 16845, 16894, 17968, 20214, 22460, 25341, 26952, 30321, 33690, 33788, 40428, 42235, 44920, 50535, 50682, 53904, 60642, 67380, 67576, 76023, 80856, 84470, 89840, 101070, 101364, 121284, 126705, 134760, 135152, 151605, 152046, 161712, 168940, 202140, 202728, 228069, 242568, 253410, 269520, 303210, 304092, 337880, 380115, 404280, 405456, 456138, 485136, 506820, 606420, 608184, 675760, 760230, 808560, 912276, 1013640, 1140345, 1212840, 1216368, 1520460, 1824552, 2027280, 2280690, 2425680, 3040920, 3649104, 4561380, 6081840, 9122760, 9485981, 18245520, 18971962, 28457943, 37943924, 47429905, 56915886, 75887848, 85373829, 94859810, 113831772, 142289715, 151775696, 170747658, 189719620, 227663544, 256121487, 284579430, 341495316, 379439240, 426869145, 455327088, 512242974, 569158860, 682990632, 758878480, 853738290, 1024485948, 1138317720, 1280607435, 1365981264, 1707476580, 2048971896, 2276635440, 2561214870, 3414953160, 4097943792, 5122429740, 6829906320, 10244859480, 20489718960]

約数ペア:

[(1, 20489718960), (2, 10244859480), (3, 6829906320), (4, 5122429740), (5, 4097943792), (6, 3414953160), (8, 2561214870), (9, 2276635440), (10, 2048971896), (12, 1707476580), (15, 1365981264), (16, 1280607435), (18, 1138317720), (20, 1024485948), (24, 853738290), (27, 758878480), (30, 682990632), (36, 569158860), (40, 512242974), (45, 455327088), (48, 426869145), (54, 379439240), (60, 341495316), (72, 284579430), (80, 256121487), (90, 227663544), (108, 189719620), (120, 170747658), (135, 151775696), (144, 142289715), (180, 113831772), (216, 94859810), (240, 85373829), (270, 75887848), (360, 56915886), (432, 47429905), (540, 37943924), (720, 28457943), (1080, 18971962), (1123, 18245520), (2160, 9485981), (2246, 9122760), (3369, 6081840), (4492, 4561380), (5615, 3649104), (6738, 3040920), (8447, 2425680), (8984, 2280690), (10107, 2027280), (11230, 1824552), (13476, 1520460), (16845, 1216368), (16894, 1212840), (17968, 1140345), (20214, 1013640), (22460, 912276), (25341, 808560), (26952, 760230), (30321, 675760), (33690, 608184), (33788, 606420), (40428, 506820), (42235, 485136), (44920, 456138), (50535, 405456), (50682, 404280), (53904, 380115), (60642, 337880), (67380, 304092), (67576, 303210), (76023, 269520), (80856, 253410), (84470, 242568), (89840, 228069), (101070, 202728), (101364, 202140), (121284, 168940), (126705, 161712), (134760, 152046), (135152, 151605)]