20823801

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{211}}^1\times {\mathrm{491}}^1$

素因数の和:772

約数の個数: 16

約数和(自身を含む): 28370688

約数和(自身を除く): 7546887

約数列:

[1, 3, 67, 201, 211, 491, 633, 1473, 14137, 32897, 42411, 98691, 103601, 310803, 6941267, 20823801]

約数ペア:

[(1, 20823801), (3, 6941267), (67, 310803), (201, 103601), (211, 98691), (491, 42411), (633, 32897), (1473, 14137)]