20223.0000000

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3539}}^1$

素因数の和:3565

約数の個数: 48

約数和(自身を含む): 13253760

約数和(自身を除く): 8348706

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 63, 66, 77, 99, 126, 154, 198, 231, 462, 693, 1386, 3539, 7078, 10617, 21234, 24773, 31851, 38929, 49546, 63702, 74319, 77858, 116787, 148638, 222957, 233574, 272503, 350361, 445914, 545006, 700722, 817509, 1635018, 2452527, 4905054]

約数ペア:

[(1, 4905054), (2, 2452527), (3, 1635018), (6, 817509), (7, 700722), (9, 545006), (11, 445914), (14, 350361), (18, 272503), (21, 233574), (22, 222957), (33, 148638), (42, 116787), (63, 77858), (66, 74319), (77, 63702), (99, 49546), (126, 38929), (154, 31851), (198, 24773), (231, 21234), (462, 10617), (693, 7078), (1386, 3539)]