20258856

素因数分解:

$2^3\times 3^3\times {\mathrm{71}}^1\times {\mathrm{1321}}^1$

素因数の和:1407

約数の個数: 64

約数和(自身を含む): 57110400

約数和(自身を除く): 36851544

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 71, 72, 108, 142, 213, 216, 284, 426, 568, 639, 852, 1278, 1321, 1704, 1917, 2556, 2642, 3834, 3963, 5112, 5284, 7668, 7926, 10568, 11889, 15336, 15852, 23778, 31704, 35667, 47556, 71334, 93791, 95112, 142668, 187582, 281373, 285336, 375164, 562746, 750328, 844119, 1125492, 1688238, 2250984, 2532357, 3376476, 5064714, 6752952, 10129428, 20258856]

約数ペア:

[(1, 20258856), (2, 10129428), (3, 6752952), (4, 5064714), (6, 3376476), (8, 2532357), (9, 2250984), (12, 1688238), (18, 1125492), (24, 844119), (27, 750328), (36, 562746), (54, 375164), (71, 285336), (72, 281373), (108, 187582), (142, 142668), (213, 95112), (216, 93791), (284, 71334), (426, 47556), (568, 35667), (639, 31704), (852, 23778), (1278, 15852), (1321, 15336), (1704, 11889), (1917, 10568), (2556, 7926), (2642, 7668), (3834, 5284), (3963, 5112)]