20436609

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{2003}}^1$

素因数の和:2204

約数の個数: 16

約数和(自身を含む): 28857600

約数和(自身を除く): 8420991

約数列:

[1, 3, 19, 57, 179, 537, 2003, 3401, 6009, 10203, 38057, 114171, 358537, 1075611, 6812203, 20436609]

約数ペア:

[(1, 20436609), (3, 6812203), (19, 1075611), (57, 358537), (179, 114171), (537, 38057), (2003, 10203), (3401, 6009)]