20922031984

素因数分解:

$2^4\times 7^1\times {\mathrm{12239}}^1\times {\mathrm{15263}}^1$

素因数の和:27517

約数の個数: 40

約数和(自身を含む): 46334177280

約数和(自身を除く): 25412145296

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 12239, 15263, 24478, 30526, 48956, 61052, 85673, 97912, 106841, 122104, 171346, 195824, 213682, 244208, 342692, 427364, 685384, 854728, 1370768, 1709456, 186803857, 373607714, 747215428, 1307626999, 1494430856, 2615253998, 2988861712, 5230507996, 10461015992, 20922031984]

約数ペア:

[(1, 20922031984), (2, 10461015992), (4, 5230507996), (7, 2988861712), (8, 2615253998), (14, 1494430856), (16, 1307626999), (28, 747215428), (56, 373607714), (112, 186803857), (12239, 1709456), (15263, 1370768), (24478, 854728), (30526, 685384), (48956, 427364), (61052, 342692), (85673, 244208), (97912, 213682), (106841, 195824), (122104, 171346)]