20699624

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{3313}}^1$

素因数の和:3401

約数の個数: 32

約数和(自身を含む): 42949440

約数和(自身を除く): 22249816

約数列:

[1, 2, 4, 8, 11, 22, 44, 71, 88, 142, 284, 568, 781, 1562, 3124, 3313, 6248, 6626, 13252, 26504, 36443, 72886, 145772, 235223, 291544, 470446, 940892, 1881784, 2587453, 5174906, 10349812, 20699624]

約数ペア:

[(1, 20699624), (2, 10349812), (4, 5174906), (8, 2587453), (11, 1881784), (22, 940892), (44, 470446), (71, 291544), (88, 235223), (142, 145772), (284, 72886), (568, 36443), (781, 26504), (1562, 13252), (3124, 6626), (3313, 6248)]