20835801

素因数分解:

$3^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{2029}}^1$

素因数の和:2205

約数の個数: 24

約数和(自身を含む): 34623680

約数和(自身を除く): 13787879

約数列:

[1, 3, 7, 9, 21, 63, 163, 489, 1141, 1467, 2029, 3423, 6087, 10269, 14203, 18261, 42609, 127827, 330727, 992181, 2315089, 2976543, 6945267, 20835801]

約数ペア:

[(1, 20835801), (3, 6945267), (7, 2976543), (9, 2315089), (21, 992181), (63, 330727), (163, 127827), (489, 42609), (1141, 18261), (1467, 14203), (2029, 10269), (3423, 6087)]