20402448003

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{7898741}}^1$

素因数の和:7898795

約数の個数: 24

約数和(自身を含む): 34501705056

約数和(自身を除く): 14099257053

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 287, 369, 861, 2583, 7898741, 23696223, 55291187, 71088669, 165873561, 323848381, 497620683, 971545143, 2266938667, 2914635429, 6800816001, 20402448003]

約数ペア:

[(1, 20402448003), (3, 6800816001), (7, 2914635429), (9, 2266938667), (21, 971545143), (41, 497620683), (63, 323848381), (123, 165873561), (287, 71088669), (369, 55291187), (861, 23696223), (2583, 7898741)]