20535160

素因数分解:

$2^3\times 5^1\times {\mathrm{349}}^1\times {\mathrm{1471}}^1$

素因数の和:1831

約数の個数: 32

約数和(自身を含む): 46368000

約数和(自身を除く): 25832840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 349, 698, 1396, 1471, 1745, 2792, 2942, 3490, 5884, 6980, 7355, 11768, 13960, 14710, 29420, 58840, 513379, 1026758, 2053516, 2566895, 4107032, 5133790, 10267580, 20535160]

約数ペア:

[(1, 20535160), (2, 10267580), (4, 5133790), (5, 4107032), (8, 2566895), (10, 2053516), (20, 1026758), (40, 513379), (349, 58840), (698, 29420), (1396, 14710), (1471, 13960), (1745, 11768), (2792, 7355), (2942, 6980), (3490, 5884)]