20727399

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1693}}^1$

素因数の和:1767

約数の個数: 32

約数和(自身を含む): 35126784

約数和(自身を除く): 14399385

約数列:

[1, 3, 7, 11, 21, 33, 53, 77, 159, 231, 371, 583, 1113, 1693, 1749, 4081, 5079, 11851, 12243, 18623, 35553, 55869, 89729, 130361, 269187, 391083, 628103, 987019, 1884309, 2961057, 6909133, 20727399]

約数ペア:

[(1, 20727399), (3, 6909133), (7, 2961057), (11, 1884309), (21, 987019), (33, 628103), (53, 391083), (77, 269187), (159, 130361), (231, 89729), (371, 55869), (583, 35553), (1113, 18623), (1693, 12243), (1749, 11851), (4081, 5079)]