20187882009

素因数分解:

$3^2\times {\mathrm{149}}^1\times {\mathrm{15054349}}^1$

素因数の和:15054504

約数の個数: 12

約数和(自身を含む): 29355982500

約数和(自身を除く): 9168100491

約数列:

[1, 3, 9, 149, 447, 1341, 15054349, 45163047, 135489141, 2243098001, 6729294003, 20187882009]

約数ペア:

[(1, 20187882009), (3, 6729294003), (9, 2243098001), (149, 135489141), (447, 45163047), (1341, 15054349)]