20312852

素因数分解:

$2^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{2801}}^1$

素因数の和:2856

約数の個数: 36

約数和(自身を含む): 42483924

約数和(自身を除く): 22171072

約数列:

[1, 2, 4, 7, 14, 28, 37, 49, 74, 98, 148, 196, 259, 518, 1036, 1813, 2801, 3626, 5602, 7252, 11204, 19607, 39214, 78428, 103637, 137249, 207274, 274498, 414548, 548996, 725459, 1450918, 2901836, 5078213, 10156426, 20312852]

約数ペア:

[(1, 20312852), (2, 10156426), (4, 5078213), (7, 2901836), (14, 1450918), (28, 725459), (37, 548996), (49, 414548), (74, 274498), (98, 207274), (148, 137249), (196, 103637), (259, 78428), (518, 39214), (1036, 19607), (1813, 11204), (2801, 7252), (3626, 5602)]