20952729

素因数分解:

$3^3\times 7^1\times {\mathrm{59}}^1\times {\mathrm{1879}}^1$

素因数の和:1954

約数の個数: 32

約数和(自身を含む): 36096000

約数和(自身を除く): 15143271

約数列:

[1, 3, 7, 9, 21, 27, 59, 63, 177, 189, 413, 531, 1239, 1593, 1879, 3717, 5637, 11151, 13153, 16911, 39459, 50733, 110861, 118377, 332583, 355131, 776027, 997749, 2328081, 2993247, 6984243, 20952729]

約数ペア:

[(1, 20952729), (3, 6984243), (7, 2993247), (9, 2328081), (21, 997749), (27, 776027), (59, 355131), (63, 332583), (177, 118377), (189, 110861), (413, 50733), (531, 39459), (1239, 16911), (1593, 13153), (1879, 11151), (3717, 5637)]