20401270

素因数分解:

$2^1\times 5^1\times {\mathrm{607}}^1\times {\mathrm{3361}}^1$

素因数の和:3975

約数の個数: 16

約数和(自身を含む): 36793728

約数和(自身を除く): 16392458

約数列:

[1, 2, 5, 10, 607, 1214, 3035, 3361, 6070, 6722, 16805, 33610, 2040127, 4080254, 10200635, 20401270]

約数ペア:

[(1, 20401270), (2, 10200635), (5, 4080254), (10, 2040127), (607, 33610), (1214, 16805), (3035, 6722), (3361, 6070)]