20401010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{291443}}^1$

素因数の和:291457

約数の個数: 16

約数和(自身を含む): 41967936

約数和(自身を除く): 21566926

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 291443, 582886, 1457215, 2040101, 2914430, 4080202, 10200505, 20401010]

約数ペア:

[(1, 20401010), (2, 10200505), (5, 4080202), (7, 2914430), (10, 2040101), (14, 1457215), (35, 582886), (70, 291443)]