20439706

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1787}}^1$

素因数の和:1858

約数の個数: 32

約数和(自身を含む): 37762560

約数和(自身を除く): 17322854

約数列:

[1, 2, 7, 14, 19, 38, 43, 86, 133, 266, 301, 602, 817, 1634, 1787, 3574, 5719, 11438, 12509, 25018, 33953, 67906, 76841, 153682, 237671, 475342, 537887, 1075774, 1459979, 2919958, 10219853, 20439706]

約数ペア:

[(1, 20439706), (2, 10219853), (7, 2919958), (14, 1459979), (19, 1075774), (38, 537887), (43, 475342), (86, 237671), (133, 153682), (266, 76841), (301, 67906), (602, 33953), (817, 25018), (1634, 12509), (1787, 11438), (3574, 5719)]