20854300

素因数分解:

$2^2\times 5^2\times {\mathrm{107}}^1\times {\mathrm{1949}}^1$

素因数の和:2070

約数の個数: 36

約数和(自身を含む): 45700200

約数和(自身を除く): 24845900

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 107, 214, 428, 535, 1070, 1949, 2140, 2675, 3898, 5350, 7796, 9745, 10700, 19490, 38980, 48725, 97450, 194900, 208543, 417086, 834172, 1042715, 2085430, 4170860, 5213575, 10427150, 20854300]

約数ペア:

[(1, 20854300), (2, 10427150), (4, 5213575), (5, 4170860), (10, 2085430), (20, 1042715), (25, 834172), (50, 417086), (100, 208543), (107, 194900), (214, 97450), (428, 48725), (535, 38980), (1070, 19490), (1949, 10700), (2140, 9745), (2675, 7796), (3898, 5350)]