20051219812

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{2087}}^1\times {\mathrm{2531}}^1$

素因数の和:4708

約数の個数: 48

約数和(自身を含む): 38339989632

約数和(自身を除く): 18288769820

約数列:

[1, 2, 4, 13, 26, 52, 73, 146, 292, 949, 1898, 2087, 2531, 3796, 4174, 5062, 8348, 10124, 27131, 32903, 54262, 65806, 108524, 131612, 152351, 184763, 304702, 369526, 609404, 739052, 1980563, 2401919, 3961126, 4803838, 5282197, 7922252, 9607676, 10564394, 21128788, 68668561, 137337122, 274674244, 385600381, 771200762, 1542401524, 5012804953, 10025609906, 20051219812]

約数ペア:

[(1, 20051219812), (2, 10025609906), (4, 5012804953), (13, 1542401524), (26, 771200762), (52, 385600381), (73, 274674244), (146, 137337122), (292, 68668561), (949, 21128788), (1898, 10564394), (2087, 9607676), (2531, 7922252), (3796, 5282197), (4174, 4803838), (5062, 3961126), (8348, 2401919), (10124, 1980563), (27131, 739052), (32903, 609404), (54262, 369526), (65806, 304702), (108524, 184763), (131612, 152351)]