20566084

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{9539}}^1$

素因数の和:9568

約数の個数: 36

約数和(自身を含む): 45677520

約数和(自身を除く): 25111436

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 308, 539, 1078, 2156, 9539, 19078, 38156, 66773, 104929, 133546, 209858, 267092, 419716, 467411, 734503, 934822, 1469006, 1869644, 2938012, 5141521, 10283042, 20566084]

約数ペア:

[(1, 20566084), (2, 10283042), (4, 5141521), (7, 2938012), (11, 1869644), (14, 1469006), (22, 934822), (28, 734503), (44, 467411), (49, 419716), (77, 267092), (98, 209858), (154, 133546), (196, 104929), (308, 66773), (539, 38156), (1078, 19078), (2156, 9539)]