20180990004

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{10445647}}^1$

素因数の和:10445684

約数の個数: 48

約数和(自身を含む): 56155803648

約数和(自身を除く): 35974813644

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 69, 84, 92, 138, 161, 276, 322, 483, 644, 966, 1932, 10445647, 20891294, 31336941, 41782588, 62673882, 73119529, 125347764, 146239058, 219358587, 240249881, 292478116, 438717174, 480499762, 720749643, 877434348, 960999524, 1441499286, 1681749167, 2882998572, 3363498334, 5045247501, 6726996668, 10090495002, 20180990004]

約数ペア:

[(1, 20180990004), (2, 10090495002), (3, 6726996668), (4, 5045247501), (6, 3363498334), (7, 2882998572), (12, 1681749167), (14, 1441499286), (21, 960999524), (23, 877434348), (28, 720749643), (42, 480499762), (46, 438717174), (69, 292478116), (84, 240249881), (92, 219358587), (138, 146239058), (161, 125347764), (276, 73119529), (322, 62673882), (483, 41782588), (644, 31336941), (966, 20891294), (1932, 10445647)]