20754804

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{1171}}^1$

素因数の和:1396

約数の個数: 48

約数和(自身を含む): 55655936

約数和(自身を除く): 34901132

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 211, 422, 633, 844, 1171, 1266, 1477, 2342, 2532, 2954, 3513, 4431, 4684, 5908, 7026, 8197, 8862, 14052, 16394, 17724, 24591, 32788, 49182, 98364, 247081, 494162, 741243, 988324, 1482486, 1729567, 2964972, 3459134, 5188701, 6918268, 10377402, 20754804]

約数ペア:

[(1, 20754804), (2, 10377402), (3, 6918268), (4, 5188701), (6, 3459134), (7, 2964972), (12, 1729567), (14, 1482486), (21, 988324), (28, 741243), (42, 494162), (84, 247081), (211, 98364), (422, 49182), (633, 32788), (844, 24591), (1171, 17724), (1266, 16394), (1477, 14052), (2342, 8862), (2532, 8197), (2954, 7026), (3513, 5908), (4431, 4684)]