20090631

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{1453}}^1$

素因数の和:1886

約数の個数: 16

約数和(自身を含む): 29312640

約数和(自身を除く): 9222009

約数列:

[1, 3, 11, 33, 419, 1257, 1453, 4359, 4609, 13827, 15983, 47949, 608807, 1826421, 6696877, 20090631]

約数ペア:

[(1, 20090631), (3, 6696877), (11, 1826421), (33, 608807), (419, 47949), (1257, 15983), (1453, 13827), (4359, 4609)]