20772351

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{991}}^1$

素因数の和:1151

約数の個数: 24

約数和(自身を含む): 32033664

約数和(自身を除く): 11261313

約数列:

[1, 3, 9, 17, 51, 137, 153, 411, 991, 1233, 2329, 2973, 6987, 8919, 16847, 20961, 50541, 135767, 151623, 407301, 1221903, 2308039, 6924117, 20772351]

約数ペア:

[(1, 20772351), (3, 6924117), (9, 2308039), (17, 1221903), (51, 407301), (137, 151623), (153, 135767), (411, 50541), (991, 20961), (1233, 16847), (2329, 8919), (2973, 6987)]