19650020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{75577}}^1$

素因数の和:75599

約数の個数: 24

約数和(自身を含む): 44439864

約数和(自身を除く): 24789844

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 75577, 151154, 302308, 377885, 755770, 982501, 1511540, 1965002, 3930004, 4912505, 9825010, 19650020]

約数ペア:

[(1, 19650020), (2, 9825010), (4, 4912505), (5, 3930004), (10, 1965002), (13, 1511540), (20, 982501), (26, 755770), (52, 377885), (65, 302308), (130, 151154), (260, 75577)]