20412690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{523}}^1\times {\mathrm{1301}}^1$

素因数の和:1834

約数の個数: 32

約数和(自身を含む): 49121856

約数和(自身を除く): 28709166

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 523, 1046, 1301, 1569, 2602, 2615, 3138, 3903, 5230, 6505, 7806, 7845, 13010, 15690, 19515, 39030, 680423, 1360846, 2041269, 3402115, 4082538, 6804230, 10206345, 20412690]

約数ペア:

[(1, 20412690), (2, 10206345), (3, 6804230), (5, 4082538), (6, 3402115), (10, 2041269), (15, 1360846), (30, 680423), (523, 39030), (1046, 19515), (1301, 15690), (1569, 13010), (2602, 7845), (2615, 7806), (3138, 6505), (3903, 5230)]