20090568988

素因数分解:

$2^2\times 7^2\times {\mathrm{419}}^1\times {\mathrm{244637}}^1$

素因数の和:245074

約数の個数: 36

約数和(自身を含む): 40996436040

約数和(自身を除く): 20905867052

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 419, 838, 1676, 2933, 5866, 11732, 20531, 41062, 82124, 244637, 489274, 978548, 1712459, 3424918, 6849836, 11987213, 23974426, 47948852, 102502903, 205005806, 410011612, 717520321, 1435040642, 2870081284, 5022642247, 10045284494, 20090568988]

約数ペア:

[(1, 20090568988), (2, 10045284494), (4, 5022642247), (7, 2870081284), (14, 1435040642), (28, 717520321), (49, 410011612), (98, 205005806), (196, 102502903), (419, 47948852), (838, 23974426), (1676, 11987213), (2933, 6849836), (5866, 3424918), (11732, 1712459), (20531, 978548), (41062, 489274), (82124, 244637)]