20139327

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{317}}^1$

素因数の和:520

約数の個数: 32

約数和(自身を含む): 32410560

約数和(自身を除く): 12271233

約数列:

[1, 3, 9, 13, 27, 39, 117, 181, 317, 351, 543, 951, 1629, 2353, 2853, 4121, 4887, 7059, 8559, 12363, 21177, 37089, 57377, 63531, 111267, 172131, 516393, 745901, 1549179, 2237703, 6713109, 20139327]

約数ペア:

[(1, 20139327), (3, 6713109), (9, 2237703), (13, 1549179), (27, 745901), (39, 516393), (117, 172131), (181, 111267), (317, 63531), (351, 57377), (543, 37089), (951, 21177), (1629, 12363), (2353, 8559), (2853, 7059), (4121, 4887)]