20620672

素因数分解:

$2^7\times {\mathrm{71}}^1\times {\mathrm{2269}}^1$

素因数の和:2354

約数の個数: 32

約数和(自身を含む): 41677200

約数和(自身を除く): 21056528

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 128, 142, 284, 568, 1136, 2269, 2272, 4538, 4544, 9076, 9088, 18152, 36304, 72608, 145216, 161099, 290432, 322198, 644396, 1288792, 2577584, 5155168, 10310336, 20620672]

約数ペア:

[(1, 20620672), (2, 10310336), (4, 5155168), (8, 2577584), (16, 1288792), (32, 644396), (64, 322198), (71, 290432), (128, 161099), (142, 145216), (284, 72608), (568, 36304), (1136, 18152), (2269, 9088), (2272, 9076), (4538, 4544)]