20820072

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{9533}}^1$

素因数の和:9562

約数の個数: 64

約数和(自身を含む): 64068480

約数和(自身を除く): 43248408

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 84, 91, 104, 156, 168, 182, 273, 312, 364, 546, 728, 1092, 2184, 9533, 19066, 28599, 38132, 57198, 66731, 76264, 114396, 123929, 133462, 200193, 228792, 247858, 266924, 371787, 400386, 495716, 533848, 743574, 800772, 867503, 991432, 1487148, 1601544, 1735006, 2602509, 2974296, 3470012, 5205018, 6940024, 10410036, 20820072]

約数ペア:

[(1, 20820072), (2, 10410036), (3, 6940024), (4, 5205018), (6, 3470012), (7, 2974296), (8, 2602509), (12, 1735006), (13, 1601544), (14, 1487148), (21, 991432), (24, 867503), (26, 800772), (28, 743574), (39, 533848), (42, 495716), (52, 400386), (56, 371787), (78, 266924), (84, 247858), (91, 228792), (104, 200193), (156, 133462), (168, 123929), (182, 114396), (273, 76264), (312, 66731), (364, 57198), (546, 38132), (728, 28599), (1092, 19066), (2184, 9533)]