20771313

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{1187}}^1$

素因数の和:1516

約数の個数: 16

約数和(自身を含む): 29272320

約数和(自身を除く): 8501007

約数列:

[1, 3, 19, 57, 307, 921, 1187, 3561, 5833, 17499, 22553, 67659, 364409, 1093227, 6923771, 20771313]

約数ペア:

[(1, 20771313), (3, 6923771), (19, 1093227), (57, 364409), (307, 67659), (921, 22553), (1187, 17499), (3561, 5833)]