20518368

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{401}}^1$

素因数の和:468

約数の個数: 96

約数和(自身を含む): 59566752

約数和(自身を除く): 39048384

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 41, 48, 52, 78, 82, 96, 104, 123, 156, 164, 208, 246, 312, 328, 401, 416, 492, 533, 624, 656, 802, 984, 1066, 1203, 1248, 1312, 1599, 1604, 1968, 2132, 2406, 3198, 3208, 3936, 4264, 4812, 5213, 6396, 6416, 8528, 9624, 10426, 12792, 12832, 15639, 16441, 17056, 19248, 20852, 25584, 31278, 32882, 38496, 41704, 49323, 51168, 62556, 65764, 83408, 98646, 125112, 131528, 166816, 197292, 213733, 250224, 263056, 394584, 427466, 500448, 526112, 641199, 789168, 854932, 1282398, 1578336, 1709864, 2564796, 3419728, 5129592, 6839456, 10259184, 20518368]

約数ペア:

[(1, 20518368), (2, 10259184), (3, 6839456), (4, 5129592), (6, 3419728), (8, 2564796), (12, 1709864), (13, 1578336), (16, 1282398), (24, 854932), (26, 789168), (32, 641199), (39, 526112), (41, 500448), (48, 427466), (52, 394584), (78, 263056), (82, 250224), (96, 213733), (104, 197292), (123, 166816), (156, 131528), (164, 125112), (208, 98646), (246, 83408), (312, 65764), (328, 62556), (401, 51168), (416, 49323), (492, 41704), (533, 38496), (624, 32882), (656, 31278), (802, 25584), (984, 20852), (1066, 19248), (1203, 17056), (1248, 16441), (1312, 15639), (1599, 12832), (1604, 12792), (1968, 10426), (2132, 9624), (2406, 8528), (3198, 6416), (3208, 6396), (3936, 5213), (4264, 4812)]