20175652

素因数分解:

$2^2\times 7^2\times {\mathrm{79}}^1\times {\mathrm{1303}}^1$

素因数の和:1400

約数の個数: 36

約数和(自身を含む): 41623680

約数和(自身を除く): 21448028

約数列:

[1, 2, 4, 7, 14, 28, 49, 79, 98, 158, 196, 316, 553, 1106, 1303, 2212, 2606, 3871, 5212, 7742, 9121, 15484, 18242, 36484, 63847, 102937, 127694, 205874, 255388, 411748, 720559, 1441118, 2882236, 5043913, 10087826, 20175652]

約数ペア:

[(1, 20175652), (2, 10087826), (4, 5043913), (7, 2882236), (14, 1441118), (28, 720559), (49, 411748), (79, 255388), (98, 205874), (158, 127694), (196, 102937), (316, 63847), (553, 36484), (1106, 18242), (1303, 15484), (2212, 9121), (2606, 7742), (3871, 5212)]