20941900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{29917}}^1$

素因数の和:29938

約数の個数: 36

約数和(自身を含む): 51937648

約数和(自身を除く): 30995748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 29917, 59834, 119668, 149585, 209419, 299170, 418838, 598340, 747925, 837676, 1047095, 1495850, 2094190, 2991700, 4188380, 5235475, 10470950, 20941900]

約数ペア:

[(1, 20941900), (2, 10470950), (4, 5235475), (5, 4188380), (7, 2991700), (10, 2094190), (14, 1495850), (20, 1047095), (25, 837676), (28, 747925), (35, 598340), (50, 418838), (70, 299170), (100, 209419), (140, 149585), (175, 119668), (350, 59834), (700, 29917)]