20953117

素因数分解:

${\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1$

素因数の和:348

約数の個数: 16

約数和(自身を含む): 22505472

約数和(自身を除く): 1552355

約数列:

[1, 31, 47, 73, 197, 1457, 2263, 3431, 6107, 9259, 14381, 106361, 287029, 445811, 675907, 20953117]

約数ペア:

[(1, 20953117), (31, 675907), (47, 445811), (73, 287029), (197, 106361), (1457, 14381), (2263, 9259), (3431, 6107)]