20774520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1$

素因数の和:246

約数の個数: 192

約数和(自身を含む): 76265280

約数和(自身を除く): 55490760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 23, 24, 26, 30, 36, 39, 40, 45, 46, 52, 60, 65, 69, 72, 78, 90, 92, 104, 115, 117, 120, 130, 138, 156, 180, 184, 193, 195, 207, 230, 234, 260, 276, 299, 312, 345, 360, 386, 390, 414, 460, 468, 520, 552, 579, 585, 598, 690, 772, 780, 828, 897, 920, 936, 965, 1035, 1158, 1170, 1196, 1380, 1495, 1544, 1560, 1656, 1737, 1794, 1930, 2070, 2316, 2340, 2392, 2509, 2691, 2760, 2895, 2990, 3474, 3588, 3860, 4140, 4439, 4485, 4632, 4680, 5018, 5382, 5790, 5980, 6948, 7176, 7527, 7720, 8280, 8685, 8878, 8970, 10036, 10764, 11580, 11960, 12545, 13317, 13455, 13896, 15054, 17370, 17756, 17940, 20072, 21528, 22195, 22581, 23160, 25090, 26634, 26910, 30108, 34740, 35512, 35880, 37635, 39951, 44390, 45162, 50180, 53268, 53820, 57707, 60216, 66585, 69480, 75270, 79902, 88780, 90324, 100360, 106536, 107640, 112905, 115414, 133170, 150540, 159804, 173121, 177560, 180648, 199755, 225810, 230828, 266340, 288535, 301080, 319608, 346242, 399510, 451620, 461656, 519363, 532680, 577070, 692484, 799020, 865605, 903240, 1038726, 1154140, 1384968, 1598040, 1731210, 2077452, 2308280, 2596815, 3462420, 4154904, 5193630, 6924840, 10387260, 20774520]

約数ペア:

[(1, 20774520), (2, 10387260), (3, 6924840), (4, 5193630), (5, 4154904), (6, 3462420), (8, 2596815), (9, 2308280), (10, 2077452), (12, 1731210), (13, 1598040), (15, 1384968), (18, 1154140), (20, 1038726), (23, 903240), (24, 865605), (26, 799020), (30, 692484), (36, 577070), (39, 532680), (40, 519363), (45, 461656), (46, 451620), (52, 399510), (60, 346242), (65, 319608), (69, 301080), (72, 288535), (78, 266340), (90, 230828), (92, 225810), (104, 199755), (115, 180648), (117, 177560), (120, 173121), (130, 159804), (138, 150540), (156, 133170), (180, 115414), (184, 112905), (193, 107640), (195, 106536), (207, 100360), (230, 90324), (234, 88780), (260, 79902), (276, 75270), (299, 69480), (312, 66585), (345, 60216), (360, 57707), (386, 53820), (390, 53268), (414, 50180), (460, 45162), (468, 44390), (520, 39951), (552, 37635), (579, 35880), (585, 35512), (598, 34740), (690, 30108), (772, 26910), (780, 26634), (828, 25090), (897, 23160), (920, 22581), (936, 22195), (965, 21528), (1035, 20072), (1158, 17940), (1170, 17756), (1196, 17370), (1380, 15054), (1495, 13896), (1544, 13455), (1560, 13317), (1656, 12545), (1737, 11960), (1794, 11580), (1930, 10764), (2070, 10036), (2316, 8970), (2340, 8878), (2392, 8685), (2509, 8280), (2691, 7720), (2760, 7527), (2895, 7176), (2990, 6948), (3474, 5980), (3588, 5790), (3860, 5382), (4140, 5018), (4439, 4680), (4485, 4632)]