20550229

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:253

約数の個数: 32

約数和(自身を含む): 26784000

約数和(自身を除く): 6233771

約数列:

[1, 7, 17, 19, 61, 119, 133, 149, 323, 427, 1037, 1043, 1159, 2261, 2533, 2831, 7259, 8113, 9089, 17731, 19703, 19817, 48127, 63623, 137921, 154513, 172691, 336889, 1081591, 1208837, 2935747, 20550229]

約数ペア:

[(1, 20550229), (7, 2935747), (17, 1208837), (19, 1081591), (61, 336889), (119, 172691), (133, 154513), (149, 137921), (323, 63623), (427, 48127), (1037, 19817), (1043, 19703), (1159, 17731), (2261, 9089), (2533, 8113), (2831, 7259)]