20902079040

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{158927}}^1$

素因数の和:159084

約数の個数: 112

約数和(自身を含む): 66848931072

約数和(自身を除く): 45946852032

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 137, 160, 192, 240, 274, 320, 411, 480, 548, 685, 822, 960, 1096, 1370, 1644, 2055, 2192, 2740, 3288, 4110, 4384, 5480, 6576, 8220, 8768, 10960, 13152, 16440, 21920, 26304, 32880, 43840, 65760, 131520, 158927, 317854, 476781, 635708, 794635, 953562, 1271416, 1589270, 1907124, 2383905, 2542832, 3178540, 3814248, 4767810, 5085664, 6357080, 7628496, 9535620, 10171328, 12714160, 15256992, 19071240, 21772999, 25428320, 30513984, 38142480, 43545998, 50856640, 65318997, 76284960, 87091996, 108864995, 130637994, 152569920, 174183992, 217729990, 261275988, 326594985, 348367984, 435459980, 522551976, 653189970, 696735968, 870919960, 1045103952, 1306379940, 1393471936, 1741839920, 2090207904, 2612759880, 3483679840, 4180415808, 5225519760, 6967359680, 10451039520, 20902079040]

約数ペア:

[(1, 20902079040), (2, 10451039520), (3, 6967359680), (4, 5225519760), (5, 4180415808), (6, 3483679840), (8, 2612759880), (10, 2090207904), (12, 1741839920), (15, 1393471936), (16, 1306379940), (20, 1045103952), (24, 870919960), (30, 696735968), (32, 653189970), (40, 522551976), (48, 435459980), (60, 348367984), (64, 326594985), (80, 261275988), (96, 217729990), (120, 174183992), (137, 152569920), (160, 130637994), (192, 108864995), (240, 87091996), (274, 76284960), (320, 65318997), (411, 50856640), (480, 43545998), (548, 38142480), (685, 30513984), (822, 25428320), (960, 21772999), (1096, 19071240), (1370, 15256992), (1644, 12714160), (2055, 10171328), (2192, 9535620), (2740, 7628496), (3288, 6357080), (4110, 5085664), (4384, 4767810), (5480, 3814248), (6576, 3178540), (8220, 2542832), (8768, 2383905), (10960, 1907124), (13152, 1589270), (16440, 1271416), (21920, 953562), (26304, 794635), (32880, 635708), (43840, 476781), (65760, 317854), (131520, 158927)]