20952172

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{4297}}^1$

素因数の和:4377

約数の個数: 24

約数和(自身を含む): 38991456

約数和(自身を除く): 18039284

約数列:

[1, 2, 4, 23, 46, 53, 92, 106, 212, 1219, 2438, 4297, 4876, 8594, 17188, 98831, 197662, 227741, 395324, 455482, 910964, 5238043, 10476086, 20952172]

約数ペア:

[(1, 20952172), (2, 10476086), (4, 5238043), (23, 910964), (46, 455482), (53, 395324), (92, 227741), (106, 197662), (212, 98831), (1219, 17188), (2438, 8594), (4297, 4876)]