20897016

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{719}}^1$

素因数の和:908

約数の個数: 64

約数和(自身を含む): 60134400

約数和(自身を除く): 39237384

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 173, 346, 519, 692, 719, 1038, 1211, 1384, 1438, 2076, 2157, 2422, 2876, 3633, 4152, 4314, 4844, 5033, 5752, 7266, 8628, 9688, 10066, 14532, 15099, 17256, 20132, 29064, 30198, 40264, 60396, 120792, 124387, 248774, 373161, 497548, 746322, 870709, 995096, 1492644, 1741418, 2612127, 2985288, 3482836, 5224254, 6965672, 10448508, 20897016]

約数ペア:

[(1, 20897016), (2, 10448508), (3, 6965672), (4, 5224254), (6, 3482836), (7, 2985288), (8, 2612127), (12, 1741418), (14, 1492644), (21, 995096), (24, 870709), (28, 746322), (42, 497548), (56, 373161), (84, 248774), (168, 124387), (173, 120792), (346, 60396), (519, 40264), (692, 30198), (719, 29064), (1038, 20132), (1211, 17256), (1384, 15099), (1438, 14532), (2076, 10066), (2157, 9688), (2422, 8628), (2876, 7266), (3633, 5752), (4152, 5033), (4314, 4844)]