20347711059

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{641}}^1\times {\mathrm{42839}}^1$

素因数の和:43515

約数の個数: 32

約数和(自身を含む): 30803673600

約数和(自身を除く): 10455962541

約数列:

[1, 3, 13, 19, 39, 57, 247, 641, 741, 1923, 8333, 12179, 24999, 36537, 42839, 128517, 158327, 474981, 556907, 813941, 1670721, 2441823, 10581233, 27459799, 31743699, 82379397, 356977387, 521736181, 1070932161, 1565208543, 6782570353, 20347711059]

約数ペア:

[(1, 20347711059), (3, 6782570353), (13, 1565208543), (19, 1070932161), (39, 521736181), (57, 356977387), (247, 82379397), (641, 31743699), (741, 27459799), (1923, 10581233), (8333, 2441823), (12179, 1670721), (24999, 813941), (36537, 556907), (42839, 474981), (128517, 158327)]