20512125228

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{4003147}}^1$

素因数の和:4003222

約数の個数: 48

約数和(自身を含む): 55595719424

約数和(自身を除く): 35083594196

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 61, 84, 122, 183, 244, 366, 427, 732, 854, 1281, 1708, 2562, 5124, 4003147, 8006294, 12009441, 16012588, 24018882, 28022029, 48037764, 56044058, 84066087, 112088116, 168132174, 244191967, 336264348, 488383934, 732575901, 976767868, 1465151802, 1709343769, 2930303604, 3418687538, 5128031307, 6837375076, 10256062614, 20512125228]

約数ペア:

[(1, 20512125228), (2, 10256062614), (3, 6837375076), (4, 5128031307), (6, 3418687538), (7, 2930303604), (12, 1709343769), (14, 1465151802), (21, 976767868), (28, 732575901), (42, 488383934), (61, 336264348), (84, 244191967), (122, 168132174), (183, 112088116), (244, 84066087), (366, 56044058), (427, 48037764), (732, 28022029), (854, 24018882), (1281, 16012588), (1708, 12009441), (2562, 8006294), (5124, 4003147)]