20125996

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{6827}}^1$

素因数の和:6909

約数の個数: 24

約数和(自身を含む): 39001536

約数和(自身を除く): 18875540

約数列:

[1, 2, 4, 11, 22, 44, 67, 134, 268, 737, 1474, 2948, 6827, 13654, 27308, 75097, 150194, 300388, 457409, 914818, 1829636, 5031499, 10062998, 20125996]

約数ペア:

[(1, 20125996), (2, 10062998), (4, 5031499), (11, 1829636), (22, 914818), (44, 457409), (67, 300388), (134, 150194), (268, 75097), (737, 27308), (1474, 13654), (2948, 6827)]