20476304

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:375

約数の個数: 40

約数和(自身を含む): 40920000

約数和(自身を除く): 20443696

約数列:

[1, 2, 4, 8, 16, 59, 109, 118, 199, 218, 236, 398, 436, 472, 796, 872, 944, 1592, 1744, 3184, 6431, 11741, 12862, 21691, 23482, 25724, 43382, 46964, 51448, 86764, 93928, 102896, 173528, 187856, 347056, 1279769, 2559538, 5119076, 10238152, 20476304]

約数ペア:

[(1, 20476304), (2, 10238152), (4, 5119076), (8, 2559538), (16, 1279769), (59, 347056), (109, 187856), (118, 173528), (199, 102896), (218, 93928), (236, 86764), (398, 51448), (436, 46964), (472, 43382), (796, 25724), (872, 23482), (944, 21691), (1592, 12862), (1744, 11741), (3184, 6431)]