20686970892

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{936401}}^1$

素因数の和:936678

約数の個数: 48

約数和(自身を含む): 55375068672

約数和(自身を除く): 34688097780

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 263, 526, 789, 1052, 1578, 1841, 3156, 3682, 5523, 7364, 11046, 22092, 936401, 1872802, 2809203, 3745604, 5618406, 6554807, 11236812, 13109614, 19664421, 26219228, 39328842, 78657684, 246273463, 492546926, 738820389, 985093852, 1477640778, 1723914241, 2955281556, 3447828482, 5171742723, 6895656964, 10343485446, 20686970892]

約数ペア:

[(1, 20686970892), (2, 10343485446), (3, 6895656964), (4, 5171742723), (6, 3447828482), (7, 2955281556), (12, 1723914241), (14, 1477640778), (21, 985093852), (28, 738820389), (42, 492546926), (84, 246273463), (263, 78657684), (526, 39328842), (789, 26219228), (1052, 19664421), (1578, 13109614), (1841, 11236812), (3156, 6554807), (3682, 5618406), (5523, 3745604), (7364, 2809203), (11046, 1872802), (22092, 936401)]