20192921281

素因数分解:

${\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{181}}^1\times {\mathrm{1163}}^1$

素因数の和:1561

約数の個数: 32

約数和(自身を含む): 22493173248

約数和(自身を除く): 2300251967

約数列:

[1, 13, 47, 157, 181, 611, 1163, 2041, 2353, 7379, 8507, 15119, 28417, 54661, 95927, 110591, 182591, 210503, 369421, 710593, 1335599, 2373683, 2736539, 8581777, 9893641, 17362787, 33048971, 111563101, 128617333, 429636623, 1553301637, 20192921281]

約数ペア:

[(1, 20192921281), (13, 1553301637), (47, 429636623), (157, 128617333), (181, 111563101), (611, 33048971), (1163, 17362787), (2041, 9893641), (2353, 8581777), (7379, 2736539), (8507, 2373683), (15119, 1335599), (28417, 710593), (54661, 369421), (95927, 210503), (110591, 182591)]