20961010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{1193}}^1$

素因数の和:1458

約数の個数: 32

約数和(自身を含む): 43327872

約数和(自身を除く): 22366862

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 251, 502, 1193, 1255, 1757, 2386, 2510, 3514, 5965, 8351, 8785, 11930, 16702, 17570, 41755, 83510, 299443, 598886, 1497215, 2096101, 2994430, 4192202, 10480505, 20961010]

約数ペア:

[(1, 20961010), (2, 10480505), (5, 4192202), (7, 2994430), (10, 2096101), (14, 1497215), (35, 598886), (70, 299443), (251, 83510), (502, 41755), (1193, 17570), (1255, 16702), (1757, 11930), (2386, 8785), (2510, 8351), (3514, 5965)]