16920369

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{241}}^1\times {\mathrm{269}}^1$

素因数の和:545

約数の個数: 24

約数和(自身を含む): 25482600

約数和(自身を除く): 8562231

約数列:

[1, 3, 9, 29, 87, 241, 261, 269, 723, 807, 2169, 2421, 6989, 7801, 20967, 23403, 62901, 64829, 70209, 194487, 583461, 1880041, 5640123, 16920369]

約数ペア:

[(1, 16920369), (3, 5640123), (9, 1880041), (29, 583461), (87, 194487), (241, 70209), (261, 64829), (269, 62901), (723, 23403), (807, 20967), (2169, 7801), (2421, 6989)]