16820567

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{631}}^1$

素因数の和:734

約数の個数: 16

約数和(自身を含む): 18808320

約数和(自身を除く): 1987753

約数列:

[1, 19, 23, 61, 437, 631, 1159, 1403, 11989, 14513, 26657, 38491, 275747, 731329, 885293, 16820567]

約数ペア:

[(1, 16820567), (19, 885293), (23, 731329), (61, 275747), (437, 38491), (631, 26657), (1159, 14513), (1403, 11989)]