20576829

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3967}}^1$

素因数の和:4009

約数の個数: 32

約数和(自身を含む): 35553280

約数和(自身を除く): 14976451

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 741, 1729, 3967, 5187, 11901, 27769, 51571, 75373, 83307, 154713, 226119, 360997, 527611, 979849, 1082991, 1582833, 2939547, 6858943, 20576829]

約数ペア:

[(1, 20576829), (3, 6858943), (7, 2939547), (13, 1582833), (19, 1082991), (21, 979849), (39, 527611), (57, 360997), (91, 226119), (133, 154713), (247, 83307), (273, 75373), (399, 51571), (741, 27769), (1729, 11901), (3967, 5187)]