20164070168

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{191}}^2\times {\mathrm{571}}^1$

素因数の和:981

約数の個数: 72

約数和(自身を含む): 41849027220

約数和(自身を除く): 21684957052

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 191, 242, 382, 484, 571, 764, 968, 1142, 1528, 2101, 2284, 4202, 4568, 6281, 8404, 12562, 16808, 23111, 25124, 36481, 46222, 50248, 69091, 72962, 92444, 109061, 138182, 145924, 184888, 218122, 276364, 291848, 401291, 436244, 552728, 802582, 872488, 1199671, 1605164, 2399342, 3210328, 4414201, 4798684, 8828402, 9597368, 13196381, 17656804, 20830651, 26392762, 35313608, 41661302, 52785524, 83322604, 105571048, 166645208, 229137161, 458274322, 916548644, 1833097288, 2520508771, 5041017542, 10082035084, 20164070168]

約数ペア:

[(1, 20164070168), (2, 10082035084), (4, 5041017542), (8, 2520508771), (11, 1833097288), (22, 916548644), (44, 458274322), (88, 229137161), (121, 166645208), (191, 105571048), (242, 83322604), (382, 52785524), (484, 41661302), (571, 35313608), (764, 26392762), (968, 20830651), (1142, 17656804), (1528, 13196381), (2101, 9597368), (2284, 8828402), (4202, 4798684), (4568, 4414201), (6281, 3210328), (8404, 2399342), (12562, 1605164), (16808, 1199671), (23111, 872488), (25124, 802582), (36481, 552728), (46222, 436244), (50248, 401291), (69091, 291848), (72962, 276364), (92444, 218122), (109061, 184888), (138182, 145924)]