20993984

素因数分解:

$2^6\times {\mathrm{11}}^2\times {\mathrm{2711}}^1$

素因数の和:2745

約数の個数: 42

約数和(自身を含む): 45808392

約数和(自身を除く): 24814408

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 121, 176, 242, 352, 484, 704, 968, 1936, 2711, 3872, 5422, 7744, 10844, 21688, 29821, 43376, 59642, 86752, 119284, 173504, 238568, 328031, 477136, 656062, 954272, 1312124, 1908544, 2624248, 5248496, 10496992, 20993984]

約数ペア:

[(1, 20993984), (2, 10496992), (4, 5248496), (8, 2624248), (11, 1908544), (16, 1312124), (22, 954272), (32, 656062), (44, 477136), (64, 328031), (88, 238568), (121, 173504), (176, 119284), (242, 86752), (352, 59642), (484, 43376), (704, 29821), (968, 21688), (1936, 10844), (2711, 7744), (3872, 5422)]