20729494912

素因数分解:

$2^7\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1217663}}^1$

素因数の和:1217703

約数の個数: 64

約数和(自身を含む): 49680691200

約数和(自身を除く): 28951196288

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 76, 112, 128, 133, 152, 224, 266, 304, 448, 532, 608, 896, 1064, 1216, 2128, 2432, 4256, 8512, 17024, 1217663, 2435326, 4870652, 8523641, 9741304, 17047282, 19482608, 23135597, 34094564, 38965216, 46271194, 68189128, 77930432, 92542388, 136378256, 155860864, 161949179, 185084776, 272756512, 323898358, 370169552, 545513024, 647796716, 740339104, 1091026048, 1295593432, 1480678208, 2591186864, 2961356416, 5182373728, 10364747456, 20729494912]

約数ペア:

[(1, 20729494912), (2, 10364747456), (4, 5182373728), (7, 2961356416), (8, 2591186864), (14, 1480678208), (16, 1295593432), (19, 1091026048), (28, 740339104), (32, 647796716), (38, 545513024), (56, 370169552), (64, 323898358), (76, 272756512), (112, 185084776), (128, 161949179), (133, 155860864), (152, 136378256), (224, 92542388), (266, 77930432), (304, 68189128), (448, 46271194), (532, 38965216), (608, 34094564), (896, 23135597), (1064, 19482608), (1216, 17047282), (2128, 9741304), (2432, 8523641), (4256, 4870652), (8512, 2435326), (17024, 1217663)]