20560986

素因数分解:

$2^1\times 3^3\times {\mathrm{349}}^1\times {\mathrm{1091}}^1$

素因数の和:1451

約数の個数: 32

約数和(自身を含む): 45864000

約数和(自身を除く): 25303014

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 349, 698, 1047, 1091, 2094, 2182, 3141, 3273, 6282, 6546, 9423, 9819, 18846, 19638, 29457, 58914, 380759, 761518, 1142277, 2284554, 3426831, 6853662, 10280493, 20560986]

約数ペア:

[(1, 20560986), (2, 10280493), (3, 6853662), (6, 3426831), (9, 2284554), (18, 1142277), (27, 761518), (54, 380759), (349, 58914), (698, 29457), (1047, 19638), (1091, 18846), (2094, 9819), (2182, 9423), (3141, 6546), (3273, 6282)]