20156492

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{15601}}^1$

素因数の和:15641

約数の個数: 24

約数和(自身を含む): 39317040

約数和(自身を除く): 19160548

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 646, 1292, 15601, 31202, 62404, 265217, 296419, 530434, 592838, 1060868, 1185676, 5039123, 10078246, 20156492]

約数ペア:

[(1, 20156492), (2, 10078246), (4, 5039123), (17, 1185676), (19, 1060868), (34, 592838), (38, 530434), (68, 296419), (76, 265217), (323, 62404), (646, 31202), (1292, 15601)]