20901000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{6967}}^1$

素因数の和:6991

約数の個数: 64

約数和(自身を含む): 65220480

約数和(自身を除く): 44319480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 125, 150, 200, 250, 300, 375, 500, 600, 750, 1000, 1500, 3000, 6967, 13934, 20901, 27868, 34835, 41802, 55736, 69670, 83604, 104505, 139340, 167208, 174175, 209010, 278680, 348350, 418020, 522525, 696700, 836040, 870875, 1045050, 1393400, 1741750, 2090100, 2612625, 3483500, 4180200, 5225250, 6967000, 10450500, 20901000]

約数ペア:

[(1, 20901000), (2, 10450500), (3, 6967000), (4, 5225250), (5, 4180200), (6, 3483500), (8, 2612625), (10, 2090100), (12, 1741750), (15, 1393400), (20, 1045050), (24, 870875), (25, 836040), (30, 696700), (40, 522525), (50, 418020), (60, 348350), (75, 278680), (100, 209010), (120, 174175), (125, 167208), (150, 139340), (200, 104505), (250, 83604), (300, 69670), (375, 55736), (500, 41802), (600, 34835), (750, 27868), (1000, 20901), (1500, 13934), (3000, 6967)]