20308834

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{839}}^1$

素因数の和:887

約数の個数: 48

約数和(自身を含む): 40219200

約数和(自身を除く): 19910366

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 49, 91, 98, 133, 182, 247, 266, 494, 637, 839, 931, 1274, 1678, 1729, 1862, 3458, 5873, 10907, 11746, 12103, 15941, 21814, 24206, 31882, 41111, 76349, 82222, 111587, 152698, 207233, 223174, 414466, 534443, 781109, 1068886, 1450631, 1562218, 2901262, 10154417, 20308834]

約数ペア:

[(1, 20308834), (2, 10154417), (7, 2901262), (13, 1562218), (14, 1450631), (19, 1068886), (26, 781109), (38, 534443), (49, 414466), (91, 223174), (98, 207233), (133, 152698), (182, 111587), (247, 82222), (266, 76349), (494, 41111), (637, 31882), (839, 24206), (931, 21814), (1274, 15941), (1678, 12103), (1729, 11746), (1862, 10907), (3458, 5873)]