20115759986

素因数分解:

$2^1\times 7^2\times {\mathrm{991}}^1\times {\mathrm{207127}}^1$

素因数の和:208134

約数の個数: 24

約数和(自身を含む): 35135536896

約数和(自身を除く): 15019776910

約数列:

[1, 2, 7, 14, 49, 98, 991, 1982, 6937, 13874, 48559, 97118, 207127, 414254, 1449889, 2899778, 10149223, 20298446, 205262857, 410525714, 1436839999, 2873679998, 10057879993, 20115759986]

約数ペア:

[(1, 20115759986), (2, 10057879993), (7, 2873679998), (14, 1436839999), (49, 410525714), (98, 205262857), (991, 20298446), (1982, 10149223), (6937, 2899778), (13874, 1449889), (48559, 414254), (97118, 207127)]