20891634

素因数分解:

$2^1\times 3^1\times {\mathrm{389}}^1\times {\mathrm{8951}}^1$

素因数の和:9345

約数の個数: 16

約数和(自身を含む): 41895360

約数和(自身を除く): 21003726

約数列:

[1, 2, 3, 6, 389, 778, 1167, 2334, 8951, 17902, 26853, 53706, 3481939, 6963878, 10445817, 20891634]

約数ペア:

[(1, 20891634), (2, 10445817), (3, 6963878), (6, 3481939), (389, 53706), (778, 26853), (1167, 17902), (2334, 8951)]