20979348768

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{10406423}}^1$

素因数の和:10406446

約数の個数: 72

約数和(自身を含む): 68182890048

約数和(自身を除く): 47203541280

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 2016, 10406423, 20812846, 31219269, 41625692, 62438538, 72844961, 83251384, 93657807, 124877076, 145689922, 166502768, 187315614, 218534883, 249754152, 291379844, 333005536, 374631228, 437069766, 499508304, 582759688, 655604649, 749262456, 874139532, 999016608, 1165519376, 1311209298, 1498524912, 1748279064, 2331038752, 2622418596, 2997049824, 3496558128, 5244837192, 6993116256, 10489674384, 20979348768]

約数ペア:

[(1, 20979348768), (2, 10489674384), (3, 6993116256), (4, 5244837192), (6, 3496558128), (7, 2997049824), (8, 2622418596), (9, 2331038752), (12, 1748279064), (14, 1498524912), (16, 1311209298), (18, 1165519376), (21, 999016608), (24, 874139532), (28, 749262456), (32, 655604649), (36, 582759688), (42, 499508304), (48, 437069766), (56, 374631228), (63, 333005536), (72, 291379844), (84, 249754152), (96, 218534883), (112, 187315614), (126, 166502768), (144, 145689922), (168, 124877076), (224, 93657807), (252, 83251384), (288, 72844961), (336, 62438538), (504, 41625692), (672, 31219269), (1008, 20812846), (2016, 10406423)]