20931716

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{383}}^1\times {\mathrm{1051}}^1$

素因数の和:1451

約数の個数: 24

約数和(自身を含む): 39588864

約数和(自身を除く): 18657148

約数列:

[1, 2, 4, 13, 26, 52, 383, 766, 1051, 1532, 2102, 4204, 4979, 9958, 13663, 19916, 27326, 54652, 402533, 805066, 1610132, 5232929, 10465858, 20931716]

約数ペア:

[(1, 20931716), (2, 10465858), (4, 5232929), (13, 1610132), (26, 805066), (52, 402533), (383, 54652), (766, 27326), (1051, 19916), (1532, 13663), (2102, 9958), (4204, 4979)]