20185528311

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{1009}}^1\times {\mathrm{1049}}^1$

素因数の和:2240

約数の個数: 48

約数和(自身を含む): 31653804000

約数和(自身を除く): 11468275689

約数列:

[1, 3, 9, 13, 39, 117, 163, 489, 1009, 1049, 1467, 2119, 3027, 3147, 6357, 9081, 9441, 13117, 13637, 19071, 39351, 40911, 118053, 122733, 164467, 170987, 493401, 512961, 1058441, 1480203, 1538883, 2138071, 2222831, 3175323, 6414213, 6668493, 9525969, 13759733, 19242639, 20005479, 41279199, 123837597, 172525883, 517577649, 1552732947, 2242836479, 6728509437, 20185528311]

約数ペア:

[(1, 20185528311), (3, 6728509437), (9, 2242836479), (13, 1552732947), (39, 517577649), (117, 172525883), (163, 123837597), (489, 41279199), (1009, 20005479), (1049, 19242639), (1467, 13759733), (2119, 9525969), (3027, 6668493), (3147, 6414213), (6357, 3175323), (9081, 2222831), (9441, 2138071), (13117, 1538883), (13637, 1480203), (19071, 1058441), (39351, 512961), (40911, 493401), (118053, 170987), (122733, 164467)]