20041630

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{1499}}^1$

素因数の和:1704

約数の個数: 32

約数和(自身を含む): 41472000

約数和(自身を除く): 21430370

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 191, 382, 955, 1337, 1499, 1910, 2674, 2998, 6685, 7495, 10493, 13370, 14990, 20986, 52465, 104930, 286309, 572618, 1431545, 2004163, 2863090, 4008326, 10020815, 20041630]

約数ペア:

[(1, 20041630), (2, 10020815), (5, 4008326), (7, 2863090), (10, 2004163), (14, 1431545), (35, 572618), (70, 286309), (191, 104930), (382, 52465), (955, 20986), (1337, 14990), (1499, 13370), (1910, 10493), (2674, 7495), (2998, 6685)]