20201101018

素因数分解:

$2^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1\times {\mathrm{727}}^1$

素因数の和:1115

約数の個数: 64

約数和(自身を含む): 35517081600

約数和(自身を除く): 15315980582

約数列:

[1, 2, 7, 14, 109, 131, 139, 218, 262, 278, 727, 763, 917, 973, 1454, 1526, 1834, 1946, 5089, 10178, 14279, 15151, 18209, 28558, 30302, 36418, 79243, 95237, 99953, 101053, 106057, 127463, 158486, 190474, 199906, 202106, 212114, 254926, 554701, 666659, 707371, 1109402, 1333318, 1414742, 1984781, 3969562, 10380833, 11014777, 13237943, 13893467, 20761666, 22029554, 26475886, 27786934, 72665831, 77103439, 92665601, 145331662, 154206878, 185331202, 1442935787, 2885871574, 10100550509, 20201101018]

約数ペア:

[(1, 20201101018), (2, 10100550509), (7, 2885871574), (14, 1442935787), (109, 185331202), (131, 154206878), (139, 145331662), (218, 92665601), (262, 77103439), (278, 72665831), (727, 27786934), (763, 26475886), (917, 22029554), (973, 20761666), (1454, 13893467), (1526, 13237943), (1834, 11014777), (1946, 10380833), (5089, 3969562), (10178, 1984781), (14279, 1414742), (15151, 1333318), (18209, 1109402), (28558, 707371), (30302, 666659), (36418, 554701), (79243, 254926), (95237, 212114), (99953, 202106), (101053, 199906), (106057, 190474), (127463, 158486)]