20964812

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{2099}}^1$

素因数の和:2341

約数の個数: 24

約数和(自身を含む): 40219200

約数和(自身を除く): 19254388

約数列:

[1, 2, 4, 11, 22, 44, 227, 454, 908, 2099, 2497, 4198, 4994, 8396, 9988, 23089, 46178, 92356, 476473, 952946, 1905892, 5241203, 10482406, 20964812]

約数ペア:

[(1, 20964812), (2, 10482406), (4, 5241203), (11, 1905892), (22, 952946), (44, 476473), (227, 92356), (454, 46178), (908, 23089), (2099, 9988), (2497, 8396), (4198, 4994)]