20218744

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{27773}}^1$

素因数の和:27799

約数の個数: 32

約数和(自身を含む): 46660320

約数和(自身を除く): 26441576

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 27773, 55546, 111092, 194411, 222184, 361049, 388822, 722098, 777644, 1444196, 1555288, 2527343, 2888392, 5054686, 10109372, 20218744]

約数ペア:

[(1, 20218744), (2, 10109372), (4, 5054686), (7, 2888392), (8, 2527343), (13, 1555288), (14, 1444196), (26, 777644), (28, 722098), (52, 388822), (56, 361049), (91, 222184), (104, 194411), (182, 111092), (364, 55546), (728, 27773)]