20765885504

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3565571}}^1$

素因数の和:3565603

約数の個数: 56

約数和(自身を含む): 50716696128

約数和(自身を除く): 29950810624

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 182, 208, 224, 364, 416, 448, 728, 832, 1456, 2912, 5824, 3565571, 7131142, 14262284, 24958997, 28524568, 46352423, 49917994, 57049136, 92704846, 99835988, 114098272, 185409692, 199671976, 228196544, 324466961, 370819384, 399343952, 648933922, 741638768, 798687904, 1297867844, 1483277536, 1597375808, 2595735688, 2966555072, 5191471376, 10382942752, 20765885504]

約数ペア:

[(1, 20765885504), (2, 10382942752), (4, 5191471376), (7, 2966555072), (8, 2595735688), (13, 1597375808), (14, 1483277536), (16, 1297867844), (26, 798687904), (28, 741638768), (32, 648933922), (52, 399343952), (56, 370819384), (64, 324466961), (91, 228196544), (104, 199671976), (112, 185409692), (182, 114098272), (208, 99835988), (224, 92704846), (364, 57049136), (416, 49917994), (448, 46352423), (728, 28524568), (832, 24958997), (1456, 14262284), (2912, 7131142), (5824, 3565571)]