20958805

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31517}}^1$

素因数の和:31548

約数の個数: 16

約数和(自身を含む): 30257280

約数和(自身を除く): 9298475

約数列:

[1, 5, 7, 19, 35, 95, 133, 665, 31517, 157585, 220619, 598823, 1103095, 2994115, 4191761, 20958805]

約数ペア:

[(1, 20958805), (5, 4191761), (7, 2994115), (19, 1103095), (35, 598823), (95, 220619), (133, 157585), (665, 31517)]