20683864516

素因数分解:

$2^2\times 7^3\times {\mathrm{31}}^1\times {\mathrm{486313}}^1$

素因数の和:486369

約数の個数: 48

約数和(自身を含む): 43573734400

約数和(自身を除く): 22889869884

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 98, 124, 196, 217, 343, 434, 686, 868, 1372, 1519, 3038, 6076, 10633, 21266, 42532, 486313, 972626, 1945252, 3404191, 6808382, 13616764, 15075703, 23829337, 30151406, 47658674, 60302812, 95317348, 105529921, 166805359, 211059842, 333610718, 422119684, 667221436, 738709447, 1477418894, 2954837788, 5170966129, 10341932258, 20683864516]

約数ペア:

[(1, 20683864516), (2, 10341932258), (4, 5170966129), (7, 2954837788), (14, 1477418894), (28, 738709447), (31, 667221436), (49, 422119684), (62, 333610718), (98, 211059842), (124, 166805359), (196, 105529921), (217, 95317348), (343, 60302812), (434, 47658674), (686, 30151406), (868, 23829337), (1372, 15075703), (1519, 13616764), (3038, 6808382), (6076, 3404191), (10633, 1945252), (21266, 972626), (42532, 486313)]