20475700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{29251}}^1$

素因数の和:29272

約数の個数: 36

約数和(自身を含む): 50781472

約数和(自身を除く): 30305772

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 29251, 58502, 117004, 146255, 204757, 292510, 409514, 585020, 731275, 819028, 1023785, 1462550, 2047570, 2925100, 4095140, 5118925, 10237850, 20475700]

約数ペア:

[(1, 20475700), (2, 10237850), (4, 5118925), (5, 4095140), (7, 2925100), (10, 2047570), (14, 1462550), (20, 1023785), (25, 819028), (28, 731275), (35, 585020), (50, 409514), (70, 292510), (100, 204757), (140, 146255), (175, 117004), (350, 58502), (700, 29251)]