20324096

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:257

約数の個数: 72

約数和(自身を含む): 45327744

約数和(自身を除く): 25003648

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 197, 208, 248, 256, 394, 403, 416, 496, 788, 806, 832, 992, 1576, 1612, 1664, 1984, 2561, 3152, 3224, 3328, 3968, 5122, 6107, 6304, 6448, 7936, 10244, 12214, 12608, 12896, 20488, 24428, 25216, 25792, 40976, 48856, 50432, 51584, 79391, 81952, 97712, 103168, 158782, 163904, 195424, 317564, 327808, 390848, 635128, 655616, 781696, 1270256, 1563392, 2540512, 5081024, 10162048, 20324096]

約数ペア:

[(1, 20324096), (2, 10162048), (4, 5081024), (8, 2540512), (13, 1563392), (16, 1270256), (26, 781696), (31, 655616), (32, 635128), (52, 390848), (62, 327808), (64, 317564), (104, 195424), (124, 163904), (128, 158782), (197, 103168), (208, 97712), (248, 81952), (256, 79391), (394, 51584), (403, 50432), (416, 48856), (496, 40976), (788, 25792), (806, 25216), (832, 24428), (992, 20488), (1576, 12896), (1612, 12608), (1664, 12214), (1984, 10244), (2561, 7936), (3152, 6448), (3224, 6304), (3328, 6107), (3968, 5122)]