20503532

素因数分解:

$2^2\times 7^1\times {\mathrm{431}}^1\times {\mathrm{1699}}^1$

素因数の和:2141

約数の個数: 24

約数和(自身を含む): 41126400

約数和(自身を除く): 20622868

約数列:

[1, 2, 4, 7, 14, 28, 431, 862, 1699, 1724, 3017, 3398, 6034, 6796, 11893, 12068, 23786, 47572, 732269, 1464538, 2929076, 5125883, 10251766, 20503532]

約数ペア:

[(1, 20503532), (2, 10251766), (4, 5125883), (7, 2929076), (14, 1464538), (28, 732269), (431, 47572), (862, 23786), (1699, 12068), (1724, 11893), (3017, 6796), (3398, 6034)]