20201899488

素因数分解:

$2^5\times 3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{212777}}^1$

素因数の和:212856

約数の個数: 96

約数和(自身を含む): 56622779136

約数和(自身を除く): 36420879648

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 43, 46, 48, 69, 86, 92, 96, 129, 138, 172, 184, 258, 276, 344, 368, 516, 552, 688, 736, 989, 1032, 1104, 1376, 1978, 2064, 2208, 2967, 3956, 4128, 5934, 7912, 11868, 15824, 23736, 31648, 47472, 94944, 212777, 425554, 638331, 851108, 1276662, 1702216, 2553324, 3404432, 4893871, 5106648, 6808864, 9149411, 9787742, 10213296, 14681613, 18298822, 19575484, 20426592, 27448233, 29363226, 36597644, 39150968, 54896466, 58726452, 73195288, 78301936, 109792932, 117452904, 146390576, 156603872, 210436453, 219585864, 234905808, 292781152, 420872906, 439171728, 469811616, 631309359, 841745812, 878343456, 1262618718, 1683491624, 2525237436, 3366983248, 5050474872, 6733966496, 10100949744, 20201899488]

約数ペア:

[(1, 20201899488), (2, 10100949744), (3, 6733966496), (4, 5050474872), (6, 3366983248), (8, 2525237436), (12, 1683491624), (16, 1262618718), (23, 878343456), (24, 841745812), (32, 631309359), (43, 469811616), (46, 439171728), (48, 420872906), (69, 292781152), (86, 234905808), (92, 219585864), (96, 210436453), (129, 156603872), (138, 146390576), (172, 117452904), (184, 109792932), (258, 78301936), (276, 73195288), (344, 58726452), (368, 54896466), (516, 39150968), (552, 36597644), (688, 29363226), (736, 27448233), (989, 20426592), (1032, 19575484), (1104, 18298822), (1376, 14681613), (1978, 10213296), (2064, 9787742), (2208, 9149411), (2967, 6808864), (3956, 5106648), (4128, 4893871), (5934, 3404432), (7912, 2553324), (11868, 1702216), (15824, 1276662), (23736, 851108), (31648, 638331), (47472, 425554), (94944, 212777)]