20771268

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{2311}}^1$

素因数の和:2432

約数の個数: 48

約数和(自身を含む): 55931904

約数和(自身を除く): 35160636

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 107, 214, 321, 428, 642, 749, 1284, 1498, 2247, 2311, 2996, 4494, 4622, 6933, 8988, 9244, 13866, 16177, 27732, 32354, 48531, 64708, 97062, 194124, 247277, 494554, 741831, 989108, 1483662, 1730939, 2967324, 3461878, 5192817, 6923756, 10385634, 20771268]

約数ペア:

[(1, 20771268), (2, 10385634), (3, 6923756), (4, 5192817), (6, 3461878), (7, 2967324), (12, 1730939), (14, 1483662), (21, 989108), (28, 741831), (42, 494554), (84, 247277), (107, 194124), (214, 97062), (321, 64708), (428, 48531), (642, 32354), (749, 27732), (1284, 16177), (1498, 13866), (2247, 9244), (2311, 8988), (2996, 6933), (4494, 4622)]