20968860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31771}}^1$

素因数の和:31794

約数の個数: 48

約数和(自身を含む): 64052352

約数和(自身を除く): 43083492

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 31771, 63542, 95313, 127084, 158855, 190626, 317710, 349481, 381252, 476565, 635420, 698962, 953130, 1048443, 1397924, 1747405, 1906260, 2096886, 3494810, 4193772, 5242215, 6989620, 10484430, 20968860]

約数ペア:

[(1, 20968860), (2, 10484430), (3, 6989620), (4, 5242215), (5, 4193772), (6, 3494810), (10, 2096886), (11, 1906260), (12, 1747405), (15, 1397924), (20, 1048443), (22, 953130), (30, 698962), (33, 635420), (44, 476565), (55, 381252), (60, 349481), (66, 317710), (110, 190626), (132, 158855), (165, 127084), (220, 95313), (330, 63542), (660, 31771)]