201720538

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{293}}^1\times {\mathrm{20249}}^1$

素因数の和:20561

約数の個数: 16

約数和(自身を含む): 321489000

約数和(自身を除く): 119768462

約数列:

[1, 2, 17, 34, 293, 586, 4981, 9962, 20249, 40498, 344233, 688466, 5932957, 11865914, 100860269, 201720538]

約数ペア:

[(1, 201720538), (2, 100860269), (17, 11865914), (34, 5932957), (293, 688466), (586, 344233), (4981, 40498), (9962, 20249)]