20446371

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1601}}^1$

素因数の和:1664

約数の個数: 32

約数和(自身を含む): 33834240

約数和(自身を除く): 13387869

約数列:

[1, 3, 9, 11, 27, 33, 43, 99, 129, 297, 387, 473, 1161, 1419, 1601, 4257, 4803, 12771, 14409, 17611, 43227, 52833, 68843, 158499, 206529, 475497, 619587, 757273, 1858761, 2271819, 6815457, 20446371]

約数ペア:

[(1, 20446371), (3, 6815457), (9, 2271819), (11, 1858761), (27, 757273), (33, 619587), (43, 475497), (99, 206529), (129, 158499), (297, 68843), (387, 52833), (473, 43227), (1161, 17611), (1419, 14409), (1601, 12771), (4257, 4803)]