20065059

素因数分解:

$3^2\times 7^2\times {\mathrm{173}}^1\times {\mathrm{263}}^1$

素因数の和:456

約数の個数: 36

約数和(自身を含む): 34038576

約数和(自身を除く): 13973517

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 173, 263, 441, 519, 789, 1211, 1557, 1841, 2367, 3633, 5523, 8477, 10899, 12887, 16569, 25431, 38661, 45499, 76293, 115983, 136497, 318493, 409491, 955479, 2229451, 2866437, 6688353, 20065059]

約数ペア:

[(1, 20065059), (3, 6688353), (7, 2866437), (9, 2229451), (21, 955479), (49, 409491), (63, 318493), (147, 136497), (173, 115983), (263, 76293), (441, 45499), (519, 38661), (789, 25431), (1211, 16569), (1557, 12887), (1841, 10899), (2367, 8477), (3633, 5523)]