20776840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{74203}}^1$

素因数の和:74221

約数の個数: 32

約数和(自身を含む): 53426880

約数和(自身を除く): 32650040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 74203, 148406, 296812, 371015, 519421, 593624, 742030, 1038842, 1484060, 2077684, 2597105, 2968120, 4155368, 5194210, 10388420, 20776840]

約数ペア:

[(1, 20776840), (2, 10388420), (4, 5194210), (5, 4155368), (7, 2968120), (8, 2597105), (10, 2077684), (14, 1484060), (20, 1038842), (28, 742030), (35, 593624), (40, 519421), (56, 371015), (70, 296812), (140, 148406), (280, 74203)]