20625738

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{1237}}^1$

素因数の和:1646

約数の個数: 32

約数和(自身を含む): 47301504

約数和(自身を除く): 26675766

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 397, 794, 1191, 1237, 2382, 2474, 2779, 3711, 5558, 7422, 8337, 8659, 16674, 17318, 25977, 51954, 491089, 982178, 1473267, 2946534, 3437623, 6875246, 10312869, 20625738]

約数ペア:

[(1, 20625738), (2, 10312869), (3, 6875246), (6, 3437623), (7, 2946534), (14, 1473267), (21, 982178), (42, 491089), (397, 51954), (794, 25977), (1191, 17318), (1237, 16674), (2382, 8659), (2474, 8337), (2779, 7422), (3711, 5558)]