20165955

素因数分解:

$3^1\times 5^1\times {\mathrm{317}}^1\times {\mathrm{4241}}^1$

素因数の和:4566

約数の個数: 16

約数和(自身を含む): 32374944

約数和(自身を除く): 12208989

約数列:

[1, 3, 5, 15, 317, 951, 1585, 4241, 4755, 12723, 21205, 63615, 1344397, 4033191, 6721985, 20165955]

約数ペア:

[(1, 20165955), (3, 6721985), (5, 4033191), (15, 1344397), (317, 63615), (951, 21205), (1585, 12723), (4241, 4755)]