20782502

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{641}}^1$

素因数の和:728

約数の個数: 32

約数和(自身を含む): 35592480

約数和(自身を除く): 14809978

約数列:

[1, 2, 13, 26, 29, 43, 58, 86, 377, 559, 641, 754, 1118, 1247, 1282, 2494, 8333, 16211, 16666, 18589, 27563, 32422, 37178, 55126, 241657, 358319, 483314, 716638, 799327, 1598654, 10391251, 20782502]

約数ペア:

[(1, 20782502), (2, 10391251), (13, 1598654), (26, 799327), (29, 716638), (43, 483314), (58, 358319), (86, 241657), (377, 55126), (559, 37178), (641, 32422), (754, 27563), (1118, 18589), (1247, 16666), (1282, 16211), (2494, 8333)]