20326621

素因数分解:

$7^2\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:241

約数の個数: 24

約数和(自身を含む): 24624000

約数和(自身を除く): 4297379

約数列:

[1, 7, 49, 59, 79, 89, 413, 553, 623, 2891, 3871, 4361, 4661, 5251, 7031, 32627, 36757, 49217, 228389, 257299, 344519, 414829, 2903803, 20326621]

約数ペア:

[(1, 20326621), (7, 2903803), (49, 414829), (59, 344519), (79, 257299), (89, 228389), (413, 49217), (553, 36757), (623, 32627), (2891, 7031), (3871, 5251), (4361, 4661)]