20608329

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1\times {\mathrm{151}}^1$

素因数の和:325

約数の個数: 32

約数和(自身を含む): 32413696

約数和(自身を除く): 11805367

約数列:

[1, 3, 7, 21, 67, 97, 151, 201, 291, 453, 469, 679, 1057, 1407, 2037, 3171, 6499, 10117, 14647, 19497, 30351, 43941, 45493, 70819, 102529, 136479, 212457, 307587, 981349, 2944047, 6869443, 20608329]

約数ペア:

[(1, 20608329), (3, 6869443), (7, 2944047), (21, 981349), (67, 307587), (97, 212457), (151, 136479), (201, 102529), (291, 70819), (453, 45493), (469, 43941), (679, 30351), (1057, 19497), (1407, 14647), (2037, 10117), (3171, 6499)]