20817396

素因数分解:

$2^2\times 3^2\times {\mathrm{83}}^1\times {\mathrm{6967}}^1$

素因数の和:7060

約数の個数: 36

約数和(自身を含む): 53263392

約数和(自身を除く): 32445996

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 83, 166, 249, 332, 498, 747, 996, 1494, 2988, 6967, 13934, 20901, 27868, 41802, 62703, 83604, 125406, 250812, 578261, 1156522, 1734783, 2313044, 3469566, 5204349, 6939132, 10408698, 20817396]

約数ペア:

[(1, 20817396), (2, 10408698), (3, 6939132), (4, 5204349), (6, 3469566), (9, 2313044), (12, 1734783), (18, 1156522), (36, 578261), (83, 250812), (166, 125406), (249, 83604), (332, 62703), (498, 41802), (747, 27868), (996, 20901), (1494, 13934), (2988, 6967)]