20197793

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{461}}^1\times {\mathrm{569}}^1$

素因数の和:1048

約数の個数: 16

約数和(自身を含む): 25280640

約数和(自身を除く): 5082847

約数列:

[1, 7, 11, 77, 461, 569, 3227, 3983, 5071, 6259, 35497, 43813, 262309, 1836163, 2885399, 20197793]

約数ペア:

[(1, 20197793), (7, 2885399), (11, 1836163), (77, 262309), (461, 43813), (569, 35497), (3227, 6259), (3983, 5071)]