20292480

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1$

素因数の和:309

約数の個数: 192

約数和(自身を含む): 75741120

約数和(自身を除く): 55448640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 64, 65, 72, 78, 80, 90, 96, 104, 117, 120, 128, 130, 144, 156, 160, 180, 192, 195, 208, 234, 240, 260, 271, 288, 312, 320, 360, 384, 390, 416, 468, 480, 520, 542, 576, 585, 624, 640, 720, 780, 813, 832, 936, 960, 1040, 1084, 1152, 1170, 1248, 1355, 1440, 1560, 1626, 1664, 1872, 1920, 2080, 2168, 2340, 2439, 2496, 2710, 2880, 3120, 3252, 3523, 3744, 4065, 4160, 4336, 4680, 4878, 4992, 5420, 5760, 6240, 6504, 7046, 7488, 8130, 8320, 8672, 9360, 9756, 10569, 10840, 12195, 12480, 13008, 14092, 14976, 16260, 17344, 17615, 18720, 19512, 21138, 21680, 24390, 24960, 26016, 28184, 31707, 32520, 34688, 35230, 37440, 39024, 42276, 43360, 48780, 52032, 52845, 56368, 63414, 65040, 70460, 74880, 78048, 84552, 86720, 97560, 104064, 105690, 112736, 126828, 130080, 140920, 156096, 158535, 169104, 173440, 195120, 211380, 225472, 253656, 260160, 281840, 312192, 317070, 338208, 390240, 422760, 450944, 507312, 520320, 563680, 634140, 676416, 780480, 845520, 1014624, 1127360, 1268280, 1352832, 1560960, 1691040, 2029248, 2254720, 2536560, 3382080, 4058496, 5073120, 6764160, 10146240, 20292480]

約数ペア:

[(1, 20292480), (2, 10146240), (3, 6764160), (4, 5073120), (5, 4058496), (6, 3382080), (8, 2536560), (9, 2254720), (10, 2029248), (12, 1691040), (13, 1560960), (15, 1352832), (16, 1268280), (18, 1127360), (20, 1014624), (24, 845520), (26, 780480), (30, 676416), (32, 634140), (36, 563680), (39, 520320), (40, 507312), (45, 450944), (48, 422760), (52, 390240), (60, 338208), (64, 317070), (65, 312192), (72, 281840), (78, 260160), (80, 253656), (90, 225472), (96, 211380), (104, 195120), (117, 173440), (120, 169104), (128, 158535), (130, 156096), (144, 140920), (156, 130080), (160, 126828), (180, 112736), (192, 105690), (195, 104064), (208, 97560), (234, 86720), (240, 84552), (260, 78048), (271, 74880), (288, 70460), (312, 65040), (320, 63414), (360, 56368), (384, 52845), (390, 52032), (416, 48780), (468, 43360), (480, 42276), (520, 39024), (542, 37440), (576, 35230), (585, 34688), (624, 32520), (640, 31707), (720, 28184), (780, 26016), (813, 24960), (832, 24390), (936, 21680), (960, 21138), (1040, 19512), (1084, 18720), (1152, 17615), (1170, 17344), (1248, 16260), (1355, 14976), (1440, 14092), (1560, 13008), (1626, 12480), (1664, 12195), (1872, 10840), (1920, 10569), (2080, 9756), (2168, 9360), (2340, 8672), (2439, 8320), (2496, 8130), (2710, 7488), (2880, 7046), (3120, 6504), (3252, 6240), (3523, 5760), (3744, 5420), (4065, 4992), (4160, 4878), (4336, 4680)]