20174879991

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{50563609}}^1$

素因数の和:50563638

約数の個数: 16

約数和(自身を含む): 32360710400

約数和(自身を除く): 12185830409

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 50563609, 151690827, 353945263, 960708571, 1061835789, 2882125713, 6724959997, 20174879991]

約数ペア:

[(1, 20174879991), (3, 6724959997), (7, 2882125713), (19, 1061835789), (21, 960708571), (57, 353945263), (133, 151690827), (399, 50563609)]