20041371

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5581}}^1$

素因数の和:5616

約数の個数: 32

約数和(自身を含む): 35724800

約数和(自身を除く): 15683429

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 399, 513, 1197, 3591, 5581, 16743, 39067, 50229, 106039, 117201, 150687, 318117, 351603, 742273, 954351, 1054809, 2226819, 2863053, 6680457, 20041371]

約数ペア:

[(1, 20041371), (3, 6680457), (7, 2863053), (9, 2226819), (19, 1054809), (21, 954351), (27, 742273), (57, 351603), (63, 318117), (133, 150687), (171, 117201), (189, 106039), (399, 50229), (513, 39067), (1197, 16743), (3591, 5581)]