20804532496

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{359}}^1\times {\mathrm{329269}}^1$

素因数の和:329647

約数の個数: 40

約数和(自身を含む): 44095838400

約数和(自身を除く): 23291305904

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 359, 718, 1436, 2872, 3949, 5744, 7898, 15796, 31592, 63184, 329269, 658538, 1317076, 2634152, 3621959, 5268304, 7243918, 14487836, 28975672, 57951344, 118207571, 236415142, 472830284, 945660568, 1300283281, 1891321136, 2600566562, 5201133124, 10402266248, 20804532496]

約数ペア:

[(1, 20804532496), (2, 10402266248), (4, 5201133124), (8, 2600566562), (11, 1891321136), (16, 1300283281), (22, 945660568), (44, 472830284), (88, 236415142), (176, 118207571), (359, 57951344), (718, 28975672), (1436, 14487836), (2872, 7243918), (3949, 5268304), (5744, 3621959), (7898, 2634152), (15796, 1317076), (31592, 658538), (63184, 329269)]