20844256

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{223}}^1$

素因数の和:383

約数の個数: 48

約数和(自身を含む): 43352064

約数和(自身を除く): 22507808

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 92, 127, 184, 223, 254, 368, 446, 508, 736, 892, 1016, 1784, 2032, 2921, 3568, 4064, 5129, 5842, 7136, 10258, 11684, 20516, 23368, 28321, 41032, 46736, 56642, 82064, 93472, 113284, 164128, 226568, 453136, 651383, 906272, 1302766, 2605532, 5211064, 10422128, 20844256]

約数ペア:

[(1, 20844256), (2, 10422128), (4, 5211064), (8, 2605532), (16, 1302766), (23, 906272), (32, 651383), (46, 453136), (92, 226568), (127, 164128), (184, 113284), (223, 93472), (254, 82064), (368, 56642), (446, 46736), (508, 41032), (736, 28321), (892, 23368), (1016, 20516), (1784, 11684), (2032, 10258), (2921, 7136), (3568, 5842), (4064, 5129)]