20806691008

素因数分解:

$2^6\times {\mathrm{2311}}^1\times {\mathrm{140677}}^1$

素因数の和:143000

約数の個数: 28

約数和(自身を含む): 41306437072

約数和(自身を除く): 20499746064

約数列:

[1, 2, 4, 8, 16, 32, 64, 2311, 4622, 9244, 18488, 36976, 73952, 140677, 147904, 281354, 562708, 1125416, 2250832, 4501664, 9003328, 325104547, 650209094, 1300418188, 2600836376, 5201672752, 10403345504, 20806691008]

約数ペア:

[(1, 20806691008), (2, 10403345504), (4, 5201672752), (8, 2600836376), (16, 1300418188), (32, 650209094), (64, 325104547), (2311, 9003328), (4622, 4501664), (9244, 2250832), (18488, 1125416), (36976, 562708), (73952, 281354), (140677, 147904)]