20970208

素因数分解:

$2^5\times 7^1\times {\mathrm{179}}^1\times {\mathrm{523}}^1$

素因数の和:719

約数の個数: 48

約数和(自身を含む): 47537280

約数和(自身を除く): 26567072

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 179, 224, 358, 523, 716, 1046, 1253, 1432, 2092, 2506, 2864, 3661, 4184, 5012, 5728, 7322, 8368, 10024, 14644, 16736, 20048, 29288, 40096, 58576, 93617, 117152, 187234, 374468, 655319, 748936, 1310638, 1497872, 2621276, 2995744, 5242552, 10485104, 20970208]

約数ペア:

[(1, 20970208), (2, 10485104), (4, 5242552), (7, 2995744), (8, 2621276), (14, 1497872), (16, 1310638), (28, 748936), (32, 655319), (56, 374468), (112, 187234), (179, 117152), (224, 93617), (358, 58576), (523, 40096), (716, 29288), (1046, 20048), (1253, 16736), (1432, 14644), (2092, 10024), (2506, 8368), (2864, 7322), (3661, 5728), (4184, 5012)]