20492588

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{1223}}^1$

素因数の和:1357

約数の個数: 24

約数和(自身を含む): 37013760

約数和(自身を除く): 16521172

約数列:

[1, 2, 4, 59, 71, 118, 142, 236, 284, 1223, 2446, 4189, 4892, 8378, 16756, 72157, 86833, 144314, 173666, 288628, 347332, 5123147, 10246294, 20492588]

約数ペア:

[(1, 20492588), (2, 10246294), (4, 5123147), (59, 347332), (71, 288628), (118, 173666), (142, 144314), (236, 86833), (284, 72157), (1223, 16756), (2446, 8378), (4189, 4892)]