20005978384

素因数分解:

$2^4\times 7^1\times {\mathrm{1051}}^1\times {\mathrm{169957}}^1$

素因数の和:171023

約数の個数: 40

約数和(自身を含む): 44341362368

約数和(自身を除く): 24335383984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1051, 2102, 4204, 7357, 8408, 14714, 16816, 29428, 58856, 117712, 169957, 339914, 679828, 1189699, 1359656, 2379398, 2719312, 4758796, 9517592, 19035184, 178624807, 357249614, 714499228, 1250373649, 1428998456, 2500747298, 2857996912, 5001494596, 10002989192, 20005978384]

約数ペア:

[(1, 20005978384), (2, 10002989192), (4, 5001494596), (7, 2857996912), (8, 2500747298), (14, 1428998456), (16, 1250373649), (28, 714499228), (56, 357249614), (112, 178624807), (1051, 19035184), (2102, 9517592), (4204, 4758796), (7357, 2719312), (8408, 2379398), (14714, 1359656), (16816, 1189699), (29428, 679828), (58856, 339914), (117712, 169957)]