20203000

素因数分解:

$2^3\times 5^3\times {\mathrm{89}}^1\times {\mathrm{227}}^1$

素因数の和:337

約数の個数: 64

約数和(自身を含む): 48016800

約数和(自身を除く): 27813800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 89, 100, 125, 178, 200, 227, 250, 356, 445, 454, 500, 712, 890, 908, 1000, 1135, 1780, 1816, 2225, 2270, 3560, 4450, 4540, 5675, 8900, 9080, 11125, 11350, 17800, 20203, 22250, 22700, 28375, 40406, 44500, 45400, 56750, 80812, 89000, 101015, 113500, 161624, 202030, 227000, 404060, 505075, 808120, 1010150, 2020300, 2525375, 4040600, 5050750, 10101500, 20203000]

約数ペア:

[(1, 20203000), (2, 10101500), (4, 5050750), (5, 4040600), (8, 2525375), (10, 2020300), (20, 1010150), (25, 808120), (40, 505075), (50, 404060), (89, 227000), (100, 202030), (125, 161624), (178, 113500), (200, 101015), (227, 89000), (250, 80812), (356, 56750), (445, 45400), (454, 44500), (500, 40406), (712, 28375), (890, 22700), (908, 22250), (1000, 20203), (1135, 17800), (1780, 11350), (1816, 11125), (2225, 9080), (2270, 8900), (3560, 5675), (4450, 4540)]