20621628

素因数分解:

$2^2\times 3^4\times {\mathrm{63647}}^1$

素因数の和:63663

約数の個数: 30

約数和(自身を含む): 53909856

約数和(自身を除く): 33288228

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 63647, 127294, 190941, 254588, 381882, 572823, 763764, 1145646, 1718469, 2291292, 3436938, 5155407, 6873876, 10310814, 20621628]

約数ペア:

[(1, 20621628), (2, 10310814), (3, 6873876), (4, 5155407), (6, 3436938), (9, 2291292), (12, 1718469), (18, 1145646), (27, 763764), (36, 572823), (54, 381882), (81, 254588), (108, 190941), (162, 127294), (324, 63647)]