20656908

素因数分解:

$2^2\times 3^2\times {\mathrm{547}}^1\times {\mathrm{1049}}^1$

素因数の和:1606

約数の個数: 36

約数和(自身を含む): 52361400

約数和(自身を除く): 31704492

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 547, 1049, 1094, 1641, 2098, 2188, 3147, 3282, 4196, 4923, 6294, 6564, 9441, 9846, 12588, 18882, 19692, 37764, 573803, 1147606, 1721409, 2295212, 3442818, 5164227, 6885636, 10328454, 20656908]

約数ペア:

[(1, 20656908), (2, 10328454), (3, 6885636), (4, 5164227), (6, 3442818), (9, 2295212), (12, 1721409), (18, 1147606), (36, 573803), (547, 37764), (1049, 19692), (1094, 18882), (1641, 12588), (2098, 9846), (2188, 9441), (3147, 6564), (3282, 6294), (4196, 4923)]