20573973

素因数分解:

$3^3\times 7^2\times {\mathrm{15551}}^1$

素因数の和:15574

約数の個数: 24

約数和(自身を含む): 35458560

約数和(自身を除く): 14884587

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 15551, 46653, 108857, 139959, 326571, 419877, 761999, 979713, 2285997, 2939139, 6857991, 20573973]

約数ペア:

[(1, 20573973), (3, 6857991), (7, 2939139), (9, 2285997), (21, 979713), (27, 761999), (49, 419877), (63, 326571), (147, 139959), (189, 108857), (441, 46653), (1323, 15551)]