20131568664

素因数分解:

$2^3\times 3^1\times {\mathrm{157}}^1\times {\mathrm{257}}^1\times {\mathrm{20789}}^1$

素因数の和:21212

約数の個数: 64

約数和(自身を含む): 50849013600

約数和(自身を除く): 30717444936

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 157, 257, 314, 471, 514, 628, 771, 942, 1028, 1256, 1542, 1884, 2056, 3084, 3768, 6168, 20789, 40349, 41578, 62367, 80698, 83156, 121047, 124734, 161396, 166312, 242094, 249468, 322792, 484188, 498936, 968376, 3263873, 5342773, 6527746, 9791619, 10685546, 13055492, 16028319, 19583238, 21371092, 26110984, 32056638, 39166476, 42742184, 64113276, 78332952, 128226552, 838815361, 1677630722, 2516446083, 3355261444, 5032892166, 6710522888, 10065784332, 20131568664]

約数ペア:

[(1, 20131568664), (2, 10065784332), (3, 6710522888), (4, 5032892166), (6, 3355261444), (8, 2516446083), (12, 1677630722), (24, 838815361), (157, 128226552), (257, 78332952), (314, 64113276), (471, 42742184), (514, 39166476), (628, 32056638), (771, 26110984), (942, 21371092), (1028, 19583238), (1256, 16028319), (1542, 13055492), (1884, 10685546), (2056, 9791619), (3084, 6527746), (3768, 5342773), (6168, 3263873), (20789, 968376), (40349, 498936), (41578, 484188), (62367, 322792), (80698, 249468), (83156, 242094), (121047, 166312), (124734, 161396)]