20998418

素因数分解:

$2^1\times 7^1\times {\mathrm{631}}^1\times {\mathrm{2377}}^1$

素因数の和:3017

約数の個数: 16

約数和(自身を含む): 36069504

約数和(自身を除く): 15071086

約数列:

[1, 2, 7, 14, 631, 1262, 2377, 4417, 4754, 8834, 16639, 33278, 1499887, 2999774, 10499209, 20998418]

約数ペア:

[(1, 20998418), (2, 10499209), (7, 2999774), (14, 1499887), (631, 33278), (1262, 16639), (2377, 8834), (4417, 4754)]