20315661720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{32143}}^1$

素因数の和:32409

約数の個数: 128

約数和(自身を含む): 63876556800

約数和(自身を除く): 43560895080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 229, 230, 276, 345, 458, 460, 552, 687, 690, 916, 920, 1145, 1374, 1380, 1832, 2290, 2748, 2760, 3435, 4580, 5267, 5496, 6870, 9160, 10534, 13740, 15801, 21068, 26335, 27480, 31602, 32143, 42136, 52670, 63204, 64286, 79005, 96429, 105340, 126408, 128572, 158010, 160715, 192858, 210680, 257144, 316020, 321430, 385716, 482145, 632040, 642860, 739289, 771432, 964290, 1285720, 1478578, 1928580, 2217867, 2957156, 3696445, 3857160, 4435734, 5914312, 7360747, 7392890, 8871468, 11089335, 14721494, 14785780, 17742936, 22082241, 22178670, 29442988, 29571560, 36803735, 44164482, 44357340, 58885976, 73607470, 88328964, 88714680, 110411205, 147214940, 169297181, 176657928, 220822410, 294429880, 338594362, 441644820, 507891543, 677188724, 846485905, 883289640, 1015783086, 1354377448, 1692971810, 2031566172, 2539457715, 3385943620, 4063132344, 5078915430, 6771887240, 10157830860, 20315661720]

約数ペア:

[(1, 20315661720), (2, 10157830860), (3, 6771887240), (4, 5078915430), (5, 4063132344), (6, 3385943620), (8, 2539457715), (10, 2031566172), (12, 1692971810), (15, 1354377448), (20, 1015783086), (23, 883289640), (24, 846485905), (30, 677188724), (40, 507891543), (46, 441644820), (60, 338594362), (69, 294429880), (92, 220822410), (115, 176657928), (120, 169297181), (138, 147214940), (184, 110411205), (229, 88714680), (230, 88328964), (276, 73607470), (345, 58885976), (458, 44357340), (460, 44164482), (552, 36803735), (687, 29571560), (690, 29442988), (916, 22178670), (920, 22082241), (1145, 17742936), (1374, 14785780), (1380, 14721494), (1832, 11089335), (2290, 8871468), (2748, 7392890), (2760, 7360747), (3435, 5914312), (4580, 4435734), (5267, 3857160), (5496, 3696445), (6870, 2957156), (9160, 2217867), (10534, 1928580), (13740, 1478578), (15801, 1285720), (21068, 964290), (26335, 771432), (27480, 739289), (31602, 642860), (32143, 632040), (42136, 482145), (52670, 385716), (63204, 321430), (64286, 316020), (79005, 257144), (96429, 210680), (105340, 192858), (126408, 160715), (128572, 158010)]