20513226

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{251}}^1\times {\mathrm{257}}^1$

素因数の和:566

約数の個数: 32

約数和(自身を含む): 42130368

約数和(自身を除く): 21617142

約数列:

[1, 2, 3, 6, 53, 106, 159, 251, 257, 318, 502, 514, 753, 771, 1506, 1542, 13303, 13621, 26606, 27242, 39909, 40863, 64507, 79818, 81726, 129014, 193521, 387042, 3418871, 6837742, 10256613, 20513226]

約数ペア:

[(1, 20513226), (2, 10256613), (3, 6837742), (6, 3418871), (53, 387042), (106, 193521), (159, 129014), (251, 81726), (257, 79818), (318, 64507), (502, 40863), (514, 39909), (753, 27242), (771, 26606), (1506, 13621), (1542, 13303)]