20090252

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{569}}^1$

素因数の和:690

約数の個数: 48

約数和(自身を含む): 43794240

約数和(自身を除く): 23703988

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 97, 182, 194, 364, 388, 569, 679, 1138, 1261, 1358, 2276, 2522, 2716, 3983, 5044, 7397, 7966, 8827, 14794, 15932, 17654, 29588, 35308, 51779, 55193, 103558, 110386, 207116, 220772, 386351, 717509, 772702, 1435018, 1545404, 2870036, 5022563, 10045126, 20090252]

約数ペア:

[(1, 20090252), (2, 10045126), (4, 5022563), (7, 2870036), (13, 1545404), (14, 1435018), (26, 772702), (28, 717509), (52, 386351), (91, 220772), (97, 207116), (182, 110386), (194, 103558), (364, 55193), (388, 51779), (569, 35308), (679, 29588), (1138, 17654), (1261, 15932), (1358, 14794), (2276, 8827), (2522, 7966), (2716, 7397), (3983, 5044)]