20798685

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{11273}}^1$

素因数の和:11325

約数の個数: 24

約数和(自身を含む): 36933624

約数和(自身を除く): 16134939

約数列:

[1, 3, 5, 9, 15, 41, 45, 123, 205, 369, 615, 1845, 11273, 33819, 56365, 101457, 169095, 462193, 507285, 1386579, 2310965, 4159737, 6932895, 20798685]

約数ペア:

[(1, 20798685), (3, 6932895), (5, 4159737), (9, 2310965), (15, 1386579), (41, 507285), (45, 462193), (123, 169095), (205, 101457), (369, 56365), (615, 33819), (1845, 11273)]