20808810

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21019}}^1$

素因数の和:21043

約数の個数: 48

約数和(自身を含む): 59024160

約数和(自身を除く): 38215350

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, 21019, 42038, 63057, 105095, 126114, 189171, 210190, 231209, 315285, 378342, 462418, 630570, 693627, 945855, 1156045, 1387254, 1891710, 2080881, 2312090, 3468135, 4161762, 6936270, 10404405, 20808810]

約数ペア:

[(1, 20808810), (2, 10404405), (3, 6936270), (5, 4161762), (6, 3468135), (9, 2312090), (10, 2080881), (11, 1891710), (15, 1387254), (18, 1156045), (22, 945855), (30, 693627), (33, 630570), (45, 462418), (55, 378342), (66, 315285), (90, 231209), (99, 210190), (110, 189171), (165, 126114), (198, 105095), (330, 63057), (495, 42038), (990, 21019)]