20349706

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{197}}^1$

素因数の和:378

約数の個数: 32

約数和(自身を含む): 34428240

約数和(自身を除く): 14078534

約数列:

[1, 2, 13, 26, 29, 58, 137, 197, 274, 377, 394, 754, 1781, 2561, 3562, 3973, 5122, 5713, 7946, 11426, 26989, 51649, 53978, 74269, 103298, 148538, 350857, 701714, 782681, 1565362, 10174853, 20349706]

約数ペア:

[(1, 20349706), (2, 10174853), (13, 1565362), (26, 782681), (29, 701714), (58, 350857), (137, 148538), (197, 103298), (274, 74269), (377, 53978), (394, 51649), (754, 26989), (1781, 11426), (2561, 7946), (3562, 5713), (3973, 5122)]