20027756

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{227}}^1$

素因数の和:398

約数の個数: 48

約数和(自身を含む): 42287616

約数和(自身を除く): 22259860

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 137, 161, 227, 274, 322, 454, 548, 644, 908, 959, 1589, 1918, 3151, 3178, 3836, 5221, 6302, 6356, 10442, 12604, 20884, 22057, 31099, 36547, 44114, 62198, 73094, 88228, 124396, 146188, 217693, 435386, 715277, 870772, 1430554, 2861108, 5006939, 10013878, 20027756]

約数ペア:

[(1, 20027756), (2, 10013878), (4, 5006939), (7, 2861108), (14, 1430554), (23, 870772), (28, 715277), (46, 435386), (92, 217693), (137, 146188), (161, 124396), (227, 88228), (274, 73094), (322, 62198), (454, 44114), (548, 36547), (644, 31099), (908, 22057), (959, 20884), (1589, 12604), (1918, 10442), (3151, 6356), (3178, 6302), (3836, 5221)]