20235891

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{167}}^1\times {\mathrm{239}}^1$

素因数の和:435

約数の個数: 24

約数和(自身を含む): 29514240

約数和(自身を除く): 9278349

約数列:

[1, 3, 13, 39, 167, 169, 239, 501, 507, 717, 2171, 3107, 6513, 9321, 28223, 39913, 40391, 84669, 119739, 121173, 518869, 1556607, 6745297, 20235891]

約数ペア:

[(1, 20235891), (3, 6745297), (13, 1556607), (39, 518869), (167, 121173), (169, 119739), (239, 84669), (501, 40391), (507, 39913), (717, 28223), (2171, 9321), (3107, 6513)]