20213640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{56149}}^1$

素因数の和:56166

約数の個数: 48

約数和(自身を含む): 65695500

約数和(自身を除く): 45481860

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 56149, 112298, 168447, 224596, 280745, 336894, 449192, 505341, 561490, 673788, 842235, 1010682, 1122980, 1347576, 1684470, 2021364, 2245960, 2526705, 3368940, 4042728, 5053410, 6737880, 10106820, 20213640]

約数ペア:

[(1, 20213640), (2, 10106820), (3, 6737880), (4, 5053410), (5, 4042728), (6, 3368940), (8, 2526705), (9, 2245960), (10, 2021364), (12, 1684470), (15, 1347576), (18, 1122980), (20, 1010682), (24, 842235), (30, 673788), (36, 561490), (40, 505341), (45, 449192), (60, 336894), (72, 280745), (90, 224596), (120, 168447), (180, 112298), (360, 56149)]