20347865955

素因数分解:

$3^3\times 5^1\times {\mathrm{43}}^2\times {\mathrm{81517}}^1$

素因数の和:81617

約数の個数: 48

約数和(自身を含む): 37035257760

約数和(自身を除く): 16687391805

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 129, 135, 215, 387, 645, 1161, 1849, 1935, 5547, 5805, 9245, 16641, 27735, 49923, 81517, 83205, 244551, 249615, 407585, 733653, 1222755, 2200959, 3505231, 3668265, 10515693, 11004795, 17526155, 31547079, 52578465, 94641237, 150724933, 157735395, 452174799, 473206185, 753624665, 1356524397, 2260873995, 4069573191, 6782621985, 20347865955]

約数ペア:

[(1, 20347865955), (3, 6782621985), (5, 4069573191), (9, 2260873995), (15, 1356524397), (27, 753624665), (43, 473206185), (45, 452174799), (129, 157735395), (135, 150724933), (215, 94641237), (387, 52578465), (645, 31547079), (1161, 17526155), (1849, 11004795), (1935, 10515693), (5547, 3668265), (5805, 3505231), (9245, 2200959), (16641, 1222755), (27735, 733653), (49923, 407585), (81517, 249615), (83205, 244551)]