20161243805

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{521}}^1\times {\mathrm{9473}}^1$

素因数の和:10061

約数の個数: 32

約数和(自身を含む): 26111859840

約数和(自身を除く): 5950616035

約数列:

[1, 5, 19, 43, 95, 215, 521, 817, 2605, 4085, 9473, 9899, 22403, 47365, 49495, 112015, 179987, 407339, 425657, 899935, 2036695, 2128285, 4935433, 7739441, 24677165, 38697205, 93773227, 212223619, 468866135, 1061118095, 4032248761, 20161243805]

約数ペア:

[(1, 20161243805), (5, 4032248761), (19, 1061118095), (43, 468866135), (95, 212223619), (215, 93773227), (521, 38697205), (817, 24677165), (2605, 7739441), (4085, 4935433), (9473, 2128285), (9899, 2036695), (22403, 899935), (47365, 425657), (49495, 407339), (112015, 179987)]