20245650843

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{263}}^1\times {\mathrm{17807}}^1$

素因数の和:18215

約数の個数: 32

約数和(自身を含む): 29787512832

約数和(自身を除く): 9541861989

約数列:

[1, 3, 11, 33, 131, 263, 393, 789, 1441, 2893, 4323, 8679, 17807, 34453, 53421, 103359, 195877, 378983, 587631, 1136949, 2332717, 4683241, 6998151, 14049723, 25659887, 51515651, 76979661, 154546953, 613504571, 1840513713, 6748550281, 20245650843]

約数ペア:

[(1, 20245650843), (3, 6748550281), (11, 1840513713), (33, 613504571), (131, 154546953), (263, 76979661), (393, 51515651), (789, 25659887), (1441, 14049723), (2893, 6998151), (4323, 4683241), (8679, 2332717), (17807, 1136949), (34453, 587631), (53421, 378983), (103359, 195877)]