20175299421

素因数分解:

$3^1\times {\mathrm{139}}^1\times {\mathrm{647}}^1\times {\mathrm{74779}}^1$

素因数の和:75568

約数の個数: 16

約数和(自身を含む): 27136166400

約数和(自身を除く): 6960866979

約数列:

[1, 3, 139, 417, 647, 1941, 74779, 89933, 224337, 269799, 10394281, 31182843, 48382013, 145146039, 6725099807, 20175299421]

約数ペア:

[(1, 20175299421), (3, 6725099807), (139, 145146039), (417, 48382013), (647, 31182843), (1941, 10394281), (74779, 269799), (89933, 224337)]