20185751590

素因数分解:

$2^1\times 5^1\times {\mathrm{3251}}^1\times {\mathrm{620909}}^1$

素因数の和:624167

約数の個数: 16

約数和(自身を含む): 36345587760

約数和(自身を除く): 16159836170

約数列:

[1, 2, 5, 10, 3251, 6502, 16255, 32510, 620909, 1241818, 3104545, 6209090, 2018575159, 4037150318, 10092875795, 20185751590]

約数ペア:

[(1, 20185751590), (2, 10092875795), (5, 4037150318), (10, 2018575159), (3251, 6209090), (6502, 3104545), (16255, 1241818), (32510, 620909)]