20292755

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{317}}^1$

素因数の和:419

約数の個数: 32

約数和(自身を含む): 29306880

約数和(自身を除く): 9014125

約数列:

[1, 5, 7, 31, 35, 59, 155, 217, 295, 317, 413, 1085, 1585, 1829, 2065, 2219, 9145, 9827, 11095, 12803, 18703, 49135, 64015, 68789, 93515, 130921, 343945, 579793, 654605, 2898965, 4058551, 20292755]

約数ペア:

[(1, 20292755), (5, 4058551), (7, 2898965), (31, 654605), (35, 579793), (59, 343945), (155, 130921), (217, 93515), (295, 68789), (317, 64015), (413, 49135), (1085, 18703), (1585, 12803), (1829, 11095), (2065, 9827), (2219, 9145)]