20196278895

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{253229}}^1$

素因数の和:253659

約数の個数: 32

約数和(自身を含む): 34884964800

約数和(自身を除く): 14688685905

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 409, 1227, 2045, 5317, 6135, 15951, 26585, 79755, 253229, 759687, 1266145, 3291977, 3798435, 9875931, 16459885, 49379655, 103570661, 310711983, 517853305, 1346418593, 1553559915, 4039255779, 6732092965, 20196278895]

約数ペア:

[(1, 20196278895), (3, 6732092965), (5, 4039255779), (13, 1553559915), (15, 1346418593), (39, 517853305), (65, 310711983), (195, 103570661), (409, 49379655), (1227, 16459885), (2045, 9875931), (5317, 3798435), (6135, 3291977), (15951, 1266145), (26585, 759687), (79755, 253229)]