20771690928

素因数分解:

$2^4\times 3^1\times {\mathrm{41}}^1\times {\mathrm{401}}^1\times {\mathrm{26321}}^1$

素因数の和:26774

約数の個数: 80

約数和(自身を含む): 55108160352

約数和(自身を除く): 34336469424

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 41, 48, 82, 123, 164, 246, 328, 401, 492, 656, 802, 984, 1203, 1604, 1968, 2406, 3208, 4812, 6416, 9624, 16441, 19248, 26321, 32882, 49323, 52642, 65764, 78963, 98646, 105284, 131528, 157926, 197292, 210568, 263056, 315852, 394584, 421136, 631704, 789168, 1079161, 1263408, 2158322, 3237483, 4316644, 6474966, 8633288, 10554721, 12949932, 17266576, 21109442, 25899864, 31664163, 42218884, 51799728, 63328326, 84437768, 126656652, 168875536, 253313304, 432743561, 506626608, 865487122, 1298230683, 1730974244, 2596461366, 3461948488, 5192922732, 6923896976, 10385845464, 20771690928]

約数ペア:

[(1, 20771690928), (2, 10385845464), (3, 6923896976), (4, 5192922732), (6, 3461948488), (8, 2596461366), (12, 1730974244), (16, 1298230683), (24, 865487122), (41, 506626608), (48, 432743561), (82, 253313304), (123, 168875536), (164, 126656652), (246, 84437768), (328, 63328326), (401, 51799728), (492, 42218884), (656, 31664163), (802, 25899864), (984, 21109442), (1203, 17266576), (1604, 12949932), (1968, 10554721), (2406, 8633288), (3208, 6474966), (4812, 4316644), (6416, 3237483), (9624, 2158322), (16441, 1263408), (19248, 1079161), (26321, 789168), (32882, 631704), (49323, 421136), (52642, 394584), (65764, 315852), (78963, 263056), (98646, 210568), (105284, 197292), (131528, 157926)]