20160219172

素因数分解:

$2^2\times {\mathrm{139}}^1\times {\mathrm{5647}}^1\times {\mathrm{6421}}^1$

素因数の和:12211

約数の個数: 24

約数和(自身を含む): 35546026880

約数和(自身を除く): 15385807708

約数列:

[1, 2, 4, 139, 278, 556, 5647, 6421, 11294, 12842, 22588, 25684, 784933, 892519, 1569866, 1785038, 3139732, 3570076, 36259387, 72518774, 145037548, 5040054793, 10080109586, 20160219172]

約数ペア:

[(1, 20160219172), (2, 10080109586), (4, 5040054793), (139, 145037548), (278, 72518774), (556, 36259387), (5647, 3570076), (6421, 3139732), (11294, 1785038), (12842, 1569866), (22588, 892519), (25684, 784933)]