20203987024

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{764839}}^1$

素因数の和:764987

約数の個数: 40

約数和(自身を含む): 42488391680

約数和(自身を除く): 22284404656

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 127, 208, 254, 508, 1016, 1651, 2032, 3302, 6604, 13208, 26416, 764839, 1529678, 3059356, 6118712, 9942907, 12237424, 19885814, 39771628, 79543256, 97134553, 159086512, 194269106, 388538212, 777076424, 1262749189, 1554152848, 2525498378, 5050996756, 10101993512, 20203987024]

約数ペア:

[(1, 20203987024), (2, 10101993512), (4, 5050996756), (8, 2525498378), (13, 1554152848), (16, 1262749189), (26, 777076424), (52, 388538212), (104, 194269106), (127, 159086512), (208, 97134553), (254, 79543256), (508, 39771628), (1016, 19885814), (1651, 12237424), (2032, 9942907), (3302, 6118712), (6604, 3059356), (13208, 1529678), (26416, 764839)]