20972028

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{22697}}^1$

素因数の和:22722

約数の個数: 48

約数和(自身を含む): 61012224

約数和(自身を除く): 40040196

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 132, 154, 231, 308, 462, 924, 22697, 45394, 68091, 90788, 136182, 158879, 249667, 272364, 317758, 476637, 499334, 635516, 749001, 953274, 998668, 1498002, 1747669, 1906548, 2996004, 3495338, 5243007, 6990676, 10486014, 20972028]

約数ペア:

[(1, 20972028), (2, 10486014), (3, 6990676), (4, 5243007), (6, 3495338), (7, 2996004), (11, 1906548), (12, 1747669), (14, 1498002), (21, 998668), (22, 953274), (28, 749001), (33, 635516), (42, 499334), (44, 476637), (66, 317758), (77, 272364), (84, 249667), (132, 158879), (154, 136182), (231, 90788), (308, 68091), (462, 45394), (924, 22697)]