20938470

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{99707}}^1$

素因数の和:99724

約数の個数: 32

約数和(自身を含む): 57431808

約数和(自身を除く): 36493338

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 99707, 199414, 299121, 498535, 598242, 697949, 997070, 1395898, 1495605, 2093847, 2991210, 3489745, 4187694, 6979490, 10469235, 20938470]

約数ペア:

[(1, 20938470), (2, 10469235), (3, 6979490), (5, 4187694), (6, 3489745), (7, 2991210), (10, 2093847), (14, 1495605), (15, 1395898), (21, 997070), (30, 697949), (35, 598242), (42, 498535), (70, 299121), (105, 199414), (210, 99707)]