20530296

素因数分解:

$2^3\times 3^2\times {\mathrm{313}}^1\times {\mathrm{911}}^1$

素因数の和:1236

約数の個数: 48

約数和(自身を含む): 55841760

約数和(自身を除く): 35311464

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 313, 626, 911, 939, 1252, 1822, 1878, 2504, 2733, 2817, 3644, 3756, 5466, 5634, 7288, 7512, 8199, 10932, 11268, 16398, 21864, 22536, 32796, 65592, 285143, 570286, 855429, 1140572, 1710858, 2281144, 2566287, 3421716, 5132574, 6843432, 10265148, 20530296]

約数ペア:

[(1, 20530296), (2, 10265148), (3, 6843432), (4, 5132574), (6, 3421716), (8, 2566287), (9, 2281144), (12, 1710858), (18, 1140572), (24, 855429), (36, 570286), (72, 285143), (313, 65592), (626, 32796), (911, 22536), (939, 21864), (1252, 16398), (1822, 11268), (1878, 10932), (2504, 8199), (2733, 7512), (2817, 7288), (3644, 5634), (3756, 5466)]