20408600

素因数分解:

$2^3\times 5^2\times {\mathrm{102043}}^1$

素因数の和:102059

約数の個数: 24

約数和(自身を含む): 47450460

約数和(自身を除く): 27041860

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 102043, 204086, 408172, 510215, 816344, 1020430, 2040860, 2551075, 4081720, 5102150, 10204300, 20408600]

約数ペア:

[(1, 20408600), (2, 10204300), (4, 5102150), (5, 4081720), (8, 2551075), (10, 2040860), (20, 1020430), (25, 816344), (40, 510215), (50, 408172), (100, 204086), (200, 102043)]