20701548

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1$

素因数の和:356

約数の個数: 96

約数和(自身を含む): 62092800

約数和(自身を除く): 41391252

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 139, 189, 197, 252, 278, 378, 394, 417, 556, 591, 756, 788, 834, 973, 1182, 1251, 1379, 1668, 1773, 1946, 2364, 2502, 2758, 2919, 3546, 3753, 3892, 4137, 5004, 5319, 5516, 5838, 7092, 7506, 8274, 8757, 10638, 11676, 12411, 15012, 16548, 17514, 21276, 24822, 26271, 27383, 35028, 37233, 49644, 52542, 54766, 74466, 82149, 105084, 109532, 148932, 164298, 191681, 246447, 328596, 383362, 492894, 575043, 739341, 766724, 985788, 1150086, 1478682, 1725129, 2300172, 2957364, 3450258, 5175387, 6900516, 10350774, 20701548]

約数ペア:

[(1, 20701548), (2, 10350774), (3, 6900516), (4, 5175387), (6, 3450258), (7, 2957364), (9, 2300172), (12, 1725129), (14, 1478682), (18, 1150086), (21, 985788), (27, 766724), (28, 739341), (36, 575043), (42, 492894), (54, 383362), (63, 328596), (84, 246447), (108, 191681), (126, 164298), (139, 148932), (189, 109532), (197, 105084), (252, 82149), (278, 74466), (378, 54766), (394, 52542), (417, 49644), (556, 37233), (591, 35028), (756, 27383), (788, 26271), (834, 24822), (973, 21276), (1182, 17514), (1251, 16548), (1379, 15012), (1668, 12411), (1773, 11676), (1946, 10638), (2364, 8757), (2502, 8274), (2758, 7506), (2919, 7092), (3546, 5838), (3753, 5516), (3892, 5319), (4137, 5004)]