20147379

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1$

素因数の和:200

約数の個数: 48

約数和(自身を含む): 33488640

約数和(自身を除く): 13341261

約数列:

[1, 3, 7, 21, 23, 49, 59, 69, 101, 147, 161, 177, 303, 413, 483, 707, 1127, 1239, 1357, 2121, 2323, 2891, 3381, 4071, 4949, 5959, 6969, 8673, 9499, 14847, 16261, 17877, 28497, 41713, 48783, 66493, 113827, 125139, 137057, 199479, 291991, 341481, 411171, 875973, 959399, 2878197, 6715793, 20147379]

約数ペア:

[(1, 20147379), (3, 6715793), (7, 2878197), (21, 959399), (23, 875973), (49, 411171), (59, 341481), (69, 291991), (101, 199479), (147, 137057), (161, 125139), (177, 113827), (303, 66493), (413, 48783), (483, 41713), (707, 28497), (1127, 17877), (1239, 16261), (1357, 14847), (2121, 9499), (2323, 8673), (2891, 6969), (3381, 5959), (4071, 4949)]