20921917258

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1223}}^1\times {\mathrm{8737}}^1$

素因数の和:10062

約数の個数: 32

約数和(自身を含む): 34652810880

約数和(自身を除く): 13730893622

約数列:

[1, 2, 11, 22, 89, 178, 979, 1223, 1958, 2446, 8737, 13453, 17474, 26906, 96107, 108847, 192214, 217694, 777593, 1197317, 1555186, 2394634, 8553523, 10685351, 17107046, 21370702, 117538861, 235077722, 950996239, 1901992478, 10460958629, 20921917258]

約数ペア:

[(1, 20921917258), (2, 10460958629), (11, 1901992478), (22, 950996239), (89, 235077722), (178, 117538861), (979, 21370702), (1223, 17107046), (1958, 10685351), (2446, 8553523), (8737, 2394634), (13453, 1555186), (17474, 1197317), (26906, 777593), (96107, 217694), (108847, 192214)]