20628737108

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{734537}}^1$

素因数の和:734624

約数の個数: 48

約数和(自身を含む): 44424858240

約数和(自身を除く): 23796121132

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 59, 68, 118, 119, 236, 238, 413, 476, 826, 1003, 1652, 2006, 4012, 7021, 14042, 28084, 734537, 1469074, 2938148, 5141759, 10283518, 12487129, 20567036, 24974258, 43337683, 49948516, 86675366, 87409903, 173350732, 174819806, 303363781, 349639612, 606727562, 736740611, 1213455124, 1473481222, 2946962444, 5157184277, 10314368554, 20628737108]

約数ペア:

[(1, 20628737108), (2, 10314368554), (4, 5157184277), (7, 2946962444), (14, 1473481222), (17, 1213455124), (28, 736740611), (34, 606727562), (59, 349639612), (68, 303363781), (118, 174819806), (119, 173350732), (236, 87409903), (238, 86675366), (413, 49948516), (476, 43337683), (826, 24974258), (1003, 20567036), (1652, 12487129), (2006, 10283518), (4012, 5141759), (7021, 2938148), (14042, 1469074), (28084, 734537)]