20165354848

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{248783}}^1$

素因数の和:248959

約数の個数: 48

約数和(自身を含む): 42318158400

約数和(自身を除く): 22152803552

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 149, 272, 298, 544, 596, 1192, 2384, 2533, 4768, 5066, 10132, 20264, 40528, 81056, 248783, 497566, 995132, 1990264, 3980528, 4229311, 7961056, 8458622, 16917244, 33834488, 37068667, 67668976, 74137334, 135337952, 148274668, 296549336, 593098672, 630167339, 1186197344, 1260334678, 2520669356, 5041338712, 10082677424, 20165354848]

約数ペア:

[(1, 20165354848), (2, 10082677424), (4, 5041338712), (8, 2520669356), (16, 1260334678), (17, 1186197344), (32, 630167339), (34, 593098672), (68, 296549336), (136, 148274668), (149, 135337952), (272, 74137334), (298, 67668976), (544, 37068667), (596, 33834488), (1192, 16917244), (2384, 8458622), (2533, 7961056), (4768, 4229311), (5066, 3980528), (10132, 1990264), (20264, 995132), (40528, 497566), (81056, 248783)]