20852864

素因数分解:

$2^7\times {\mathrm{101}}^1\times {\mathrm{1613}}^1$

素因数の和:1728

約数の個数: 32

約数和(自身を含む): 41980140

約数和(自身を除く): 21127276

約数列:

[1, 2, 4, 8, 16, 32, 64, 101, 128, 202, 404, 808, 1613, 1616, 3226, 3232, 6452, 6464, 12904, 12928, 25808, 51616, 103232, 162913, 206464, 325826, 651652, 1303304, 2606608, 5213216, 10426432, 20852864]

約数ペア:

[(1, 20852864), (2, 10426432), (4, 5213216), (8, 2606608), (16, 1303304), (32, 651652), (64, 325826), (101, 206464), (128, 162913), (202, 103232), (404, 51616), (808, 25808), (1613, 12928), (1616, 12904), (3226, 6464), (3232, 6452)]