20899746

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{4483}}^1$

素因数の和:4535

約数の個数: 48

約数和(自身を含む): 53162304

約数和(自身を除く): 32262558

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 37, 42, 63, 74, 111, 126, 222, 259, 333, 518, 666, 777, 1554, 2331, 4483, 4662, 8966, 13449, 26898, 31381, 40347, 62762, 80694, 94143, 165871, 188286, 282429, 331742, 497613, 564858, 995226, 1161097, 1492839, 2322194, 2985678, 3483291, 6966582, 10449873, 20899746]

約数ペア:

[(1, 20899746), (2, 10449873), (3, 6966582), (6, 3483291), (7, 2985678), (9, 2322194), (14, 1492839), (18, 1161097), (21, 995226), (37, 564858), (42, 497613), (63, 331742), (74, 282429), (111, 188286), (126, 165871), (222, 94143), (259, 80694), (333, 62762), (518, 40347), (666, 31381), (777, 26898), (1554, 13449), (2331, 8966), (4483, 4662)]