20587154

素因数分解:

$2^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{2531}}^1$

素因数の和:2630

約数の個数: 24

約数和(自身を含む): 36369648

約数和(自身を除く): 15782494

約数列:

[1, 2, 7, 14, 49, 83, 98, 166, 581, 1162, 2531, 4067, 5062, 8134, 17717, 35434, 124019, 210073, 248038, 420146, 1470511, 2941022, 10293577, 20587154]

約数ペア:

[(1, 20587154), (2, 10293577), (7, 2941022), (14, 1470511), (49, 420146), (83, 248038), (98, 210073), (166, 124019), (581, 35434), (1162, 17717), (2531, 8134), (4067, 5062)]