20071773141

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{148439}}^1$

素因数の和:148633

約数の個数: 32

約数和(自身を含む): 31464529920

約数和(自身を除く): 11392756779

約数列:

[1, 3, 7, 21, 47, 137, 141, 329, 411, 959, 987, 2877, 6439, 19317, 45073, 135219, 148439, 445317, 1039073, 3117219, 6976633, 20336143, 20929899, 48836431, 61008429, 142353001, 146509293, 427059003, 955798721, 2867396163, 6690591047, 20071773141]

約数ペア:

[(1, 20071773141), (3, 6690591047), (7, 2867396163), (21, 955798721), (47, 427059003), (137, 146509293), (141, 142353001), (329, 61008429), (411, 48836431), (959, 20929899), (987, 20336143), (2877, 6976633), (6439, 3117219), (19317, 1039073), (45073, 445317), (135219, 148439)]