20559697984

素因数分解:

$2^6\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1480393}}^1$

素因数の和:1480443

約数の個数: 56

約数和(自身を含む): 48130569728

約数和(自身を除く): 27570871744

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 217, 224, 248, 434, 448, 496, 868, 992, 1736, 1984, 3472, 6944, 13888, 1480393, 2960786, 5921572, 10362751, 11843144, 20725502, 23686288, 41451004, 45892183, 47372576, 82902008, 91784366, 94745152, 165804016, 183568732, 321245281, 331608032, 367137464, 642490562, 663216064, 734274928, 1284981124, 1468549856, 2569962248, 2937099712, 5139924496, 10279848992, 20559697984]

約数ペア:

[(1, 20559697984), (2, 10279848992), (4, 5139924496), (7, 2937099712), (8, 2569962248), (14, 1468549856), (16, 1284981124), (28, 734274928), (31, 663216064), (32, 642490562), (56, 367137464), (62, 331608032), (64, 321245281), (112, 183568732), (124, 165804016), (217, 94745152), (224, 91784366), (248, 82902008), (434, 47372576), (448, 45892183), (496, 41451004), (868, 23686288), (992, 20725502), (1736, 11843144), (1984, 10362751), (3472, 5921572), (6944, 2960786), (13888, 1480393)]