20163635540

素因数分解:

$2^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{2888773}}^1$

素因数の和:2889131

約数の個数: 24

約数和(自身を含む): 42464977800

約数和(自身を除く): 22301342260

約数列:

[1, 2, 4, 5, 10, 20, 349, 698, 1396, 1745, 3490, 6980, 2888773, 5777546, 11555092, 14443865, 28887730, 57775460, 1008181777, 2016363554, 4032727108, 5040908885, 10081817770, 20163635540]

約数ペア:

[(1, 20163635540), (2, 10081817770), (4, 5040908885), (5, 4032727108), (10, 2016363554), (20, 1008181777), (349, 57775460), (698, 28887730), (1396, 14443865), (1745, 11555092), (3490, 5777546), (6980, 2888773)]