20302920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1709}}^1$

素因数の和:1740

約数の個数: 128

約数和(自身を含む): 73872000

約数和(自身を除く): 53569080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 54, 55, 60, 66, 72, 88, 90, 99, 108, 110, 120, 132, 135, 165, 180, 198, 216, 220, 264, 270, 297, 330, 360, 396, 440, 495, 540, 594, 660, 792, 990, 1080, 1188, 1320, 1485, 1709, 1980, 2376, 2970, 3418, 3960, 5127, 5940, 6836, 8545, 10254, 11880, 13672, 15381, 17090, 18799, 20508, 25635, 30762, 34180, 37598, 41016, 46143, 51270, 56397, 61524, 68360, 75196, 76905, 92286, 93995, 102540, 112794, 123048, 150392, 153810, 169191, 184572, 187990, 205080, 225588, 230715, 281985, 307620, 338382, 369144, 375980, 451176, 461430, 507573, 563970, 615240, 676764, 751960, 845955, 922860, 1015146, 1127940, 1353528, 1691910, 1845720, 2030292, 2255880, 2537865, 3383820, 4060584, 5075730, 6767640, 10151460, 20302920]

約数ペア:

[(1, 20302920), (2, 10151460), (3, 6767640), (4, 5075730), (5, 4060584), (6, 3383820), (8, 2537865), (9, 2255880), (10, 2030292), (11, 1845720), (12, 1691910), (15, 1353528), (18, 1127940), (20, 1015146), (22, 922860), (24, 845955), (27, 751960), (30, 676764), (33, 615240), (36, 563970), (40, 507573), (44, 461430), (45, 451176), (54, 375980), (55, 369144), (60, 338382), (66, 307620), (72, 281985), (88, 230715), (90, 225588), (99, 205080), (108, 187990), (110, 184572), (120, 169191), (132, 153810), (135, 150392), (165, 123048), (180, 112794), (198, 102540), (216, 93995), (220, 92286), (264, 76905), (270, 75196), (297, 68360), (330, 61524), (360, 56397), (396, 51270), (440, 46143), (495, 41016), (540, 37598), (594, 34180), (660, 30762), (792, 25635), (990, 20508), (1080, 18799), (1188, 17090), (1320, 15381), (1485, 13672), (1709, 11880), (1980, 10254), (2376, 8545), (2970, 6836), (3418, 5940), (3960, 5127)]