20104644

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3371}}^1$

素因数の和:3456

約数の個数: 48

約数和(自身を含む): 54383616

約数和(自身を除く): 34278972

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 71, 84, 142, 213, 284, 426, 497, 852, 994, 1491, 1988, 2982, 3371, 5964, 6742, 10113, 13484, 20226, 23597, 40452, 47194, 70791, 94388, 141582, 239341, 283164, 478682, 718023, 957364, 1436046, 1675387, 2872092, 3350774, 5026161, 6701548, 10052322, 20104644]

約数ペア:

[(1, 20104644), (2, 10052322), (3, 6701548), (4, 5026161), (6, 3350774), (7, 2872092), (12, 1675387), (14, 1436046), (21, 957364), (28, 718023), (42, 478682), (71, 283164), (84, 239341), (142, 141582), (213, 94388), (284, 70791), (426, 47194), (497, 40452), (852, 23597), (994, 20226), (1491, 13484), (1988, 10113), (2982, 6742), (3371, 5964)]