66819820

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{45767}}^1$

素因数の和:45849

約数の個数: 24

約数和(自身を含む): 142246944

約数和(自身を除く): 75427124

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 45767, 91534, 183068, 228835, 457670, 915340, 3340991, 6681982, 13363964, 16704955, 33409910, 66819820]

約数ペア:

[(1, 66819820), (2, 33409910), (4, 16704955), (5, 13363964), (10, 6681982), (20, 3340991), (73, 915340), (146, 457670), (292, 228835), (365, 183068), (730, 91534), (1460, 45767)]