20579185

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{419}}^1$

素因数の和:501

約数の個数: 32

約数和(自身を含む): 29030400

約数和(自身を除く): 8451215

約数列:

[1, 5, 11, 19, 47, 55, 95, 209, 235, 419, 517, 893, 1045, 2095, 2585, 4465, 4609, 7961, 9823, 19693, 23045, 39805, 49115, 87571, 98465, 216623, 374167, 437855, 1083115, 1870835, 4115837, 20579185]

約数ペア:

[(1, 20579185), (5, 4115837), (11, 1870835), (19, 1083115), (47, 437855), (55, 374167), (95, 216623), (209, 98465), (235, 87571), (419, 49115), (517, 39805), (893, 23045), (1045, 19693), (2095, 9823), (2585, 7961), (4465, 4609)]