20751536

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{99767}}^1$

素因数の和:99788

約数の個数: 20

約数和(自身を含む): 43299312

約数和(自身を除く): 22547776

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 99767, 199534, 399068, 798136, 1296971, 1596272, 2593942, 5187884, 10375768, 20751536]

約数ペア:

[(1, 20751536), (2, 10375768), (4, 5187884), (8, 2593942), (13, 1596272), (16, 1296971), (26, 798136), (52, 399068), (104, 199534), (208, 99767)]