20652828

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{4639}}^1$

素因数の和:4706

約数の個数: 48

約数和(自身を含む): 56125440

約数和(自身を除く): 35472612

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 53, 84, 106, 159, 212, 318, 371, 636, 742, 1113, 1484, 2226, 4452, 4639, 9278, 13917, 18556, 27834, 32473, 55668, 64946, 97419, 129892, 194838, 245867, 389676, 491734, 737601, 983468, 1475202, 1721069, 2950404, 3442138, 5163207, 6884276, 10326414, 20652828]

約数ペア:

[(1, 20652828), (2, 10326414), (3, 6884276), (4, 5163207), (6, 3442138), (7, 2950404), (12, 1721069), (14, 1475202), (21, 983468), (28, 737601), (42, 491734), (53, 389676), (84, 245867), (106, 194838), (159, 129892), (212, 97419), (318, 64946), (371, 55668), (636, 32473), (742, 27834), (1113, 18556), (1484, 13917), (2226, 9278), (4452, 4639)]