20648430

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20857}}^1$

素因数の和:20881

約数の個数: 48

約数和(自身を含む): 58569264

約数和(自身を除く): 37920834

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 20857, 41714, 62571, 104285, 125142, 187713, 208570, 229427, 312855, 375426, 458854, 625710, 688281, 938565, 1147135, 1376562, 1877130, 2064843, 2294270, 3441405, 4129686, 6882810, 10324215, 20648430]

約数ペア:

[(1, 20648430), (2, 10324215), (3, 6882810), (5, 4129686), (6, 3441405), (9, 2294270), (10, 2064843), (11, 1877130), (15, 1376562), (18, 1147135), (22, 938565), (30, 688281), (33, 625710), (45, 458854), (55, 375426), (66, 312855), (90, 229427), (99, 208570), (110, 187713), (165, 125142), (198, 104285), (330, 62571), (495, 41714), (990, 20857)]