20533548

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{743}}^1$

素因数の和:811

約数の個数: 72

約数和(自身を含む): 56996352

約数和(自身を除く): 36462804

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 47, 49, 84, 94, 98, 141, 147, 188, 196, 282, 294, 329, 564, 588, 658, 743, 987, 1316, 1486, 1974, 2229, 2303, 2972, 3948, 4458, 4606, 5201, 6909, 8916, 9212, 10402, 13818, 15603, 20804, 27636, 31206, 34921, 36407, 62412, 69842, 72814, 104763, 109221, 139684, 145628, 209526, 218442, 244447, 419052, 436884, 488894, 733341, 977788, 1466682, 1711129, 2933364, 3422258, 5133387, 6844516, 10266774, 20533548]

約数ペア:

[(1, 20533548), (2, 10266774), (3, 6844516), (4, 5133387), (6, 3422258), (7, 2933364), (12, 1711129), (14, 1466682), (21, 977788), (28, 733341), (42, 488894), (47, 436884), (49, 419052), (84, 244447), (94, 218442), (98, 209526), (141, 145628), (147, 139684), (188, 109221), (196, 104763), (282, 72814), (294, 69842), (329, 62412), (564, 36407), (588, 34921), (658, 31206), (743, 27636), (987, 20804), (1316, 15603), (1486, 13818), (1974, 10402), (2229, 9212), (2303, 8916), (2972, 6909), (3948, 5201), (4458, 4606)]