20163555440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1895071}}^1$

素因数の和:1895110

約数の個数: 80

約数和(自身を含む): 56397342720

約数和(自身を除く): 36233787280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 1064, 1330, 1520, 2128, 2660, 5320, 10640, 1895071, 3790142, 7580284, 9475355, 13265497, 15160568, 18950710, 26530994, 30321136, 36006349, 37901420, 53061988, 66327485, 72012698, 75802840, 106123976, 132654970, 144025396, 151605680, 180031745, 212247952, 252044443, 265309940, 288050792, 360063490, 504088886, 530619880, 576101584, 720126980, 1008177772, 1061239760, 1260222215, 1440253960, 2016355544, 2520444430, 2880507920, 4032711088, 5040888860, 10081777720, 20163555440]

約数ペア:

[(1, 20163555440), (2, 10081777720), (4, 5040888860), (5, 4032711088), (7, 2880507920), (8, 2520444430), (10, 2016355544), (14, 1440253960), (16, 1260222215), (19, 1061239760), (20, 1008177772), (28, 720126980), (35, 576101584), (38, 530619880), (40, 504088886), (56, 360063490), (70, 288050792), (76, 265309940), (80, 252044443), (95, 212247952), (112, 180031745), (133, 151605680), (140, 144025396), (152, 132654970), (190, 106123976), (266, 75802840), (280, 72012698), (304, 66327485), (380, 53061988), (532, 37901420), (560, 36006349), (665, 30321136), (760, 26530994), (1064, 18950710), (1330, 15160568), (1520, 13265497), (2128, 9475355), (2660, 7580284), (5320, 3790142), (10640, 1895071)]