20702760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{577}}^1$

素因数の和:627

約数の個数: 128

約数和(自身を含む): 69914880

約数和(自身を除く): 49212120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 23, 24, 26, 30, 39, 40, 46, 52, 60, 65, 69, 78, 92, 104, 115, 120, 130, 138, 156, 184, 195, 230, 260, 276, 299, 312, 345, 390, 460, 520, 552, 577, 598, 690, 780, 897, 920, 1154, 1196, 1380, 1495, 1560, 1731, 1794, 2308, 2392, 2760, 2885, 2990, 3462, 3588, 4485, 4616, 5770, 5980, 6924, 7176, 7501, 8655, 8970, 11540, 11960, 13271, 13848, 15002, 17310, 17940, 22503, 23080, 26542, 30004, 34620, 35880, 37505, 39813, 45006, 53084, 60008, 66355, 69240, 75010, 79626, 90012, 106168, 112515, 132710, 150020, 159252, 172523, 180024, 199065, 225030, 265420, 300040, 318504, 345046, 398130, 450060, 517569, 530840, 690092, 796260, 862615, 900120, 1035138, 1380184, 1592520, 1725230, 2070276, 2587845, 3450460, 4140552, 5175690, 6900920, 10351380, 20702760]

約数ペア:

[(1, 20702760), (2, 10351380), (3, 6900920), (4, 5175690), (5, 4140552), (6, 3450460), (8, 2587845), (10, 2070276), (12, 1725230), (13, 1592520), (15, 1380184), (20, 1035138), (23, 900120), (24, 862615), (26, 796260), (30, 690092), (39, 530840), (40, 517569), (46, 450060), (52, 398130), (60, 345046), (65, 318504), (69, 300040), (78, 265420), (92, 225030), (104, 199065), (115, 180024), (120, 172523), (130, 159252), (138, 150020), (156, 132710), (184, 112515), (195, 106168), (230, 90012), (260, 79626), (276, 75010), (299, 69240), (312, 66355), (345, 60008), (390, 53084), (460, 45006), (520, 39813), (552, 37505), (577, 35880), (598, 34620), (690, 30004), (780, 26542), (897, 23080), (920, 22503), (1154, 17940), (1196, 17310), (1380, 15002), (1495, 13848), (1560, 13271), (1731, 11960), (1794, 11540), (2308, 8970), (2392, 8655), (2760, 7501), (2885, 7176), (2990, 6924), (3462, 5980), (3588, 5770), (4485, 4616)]