20490033

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{1993}}^1$

素因数の和:2168

約数の個数: 16

約数和(自身を含む): 28713600

約数和(自身を除く): 8223567

約数列:

[1, 3, 23, 69, 149, 447, 1993, 3427, 5979, 10281, 45839, 137517, 296957, 890871, 6830011, 20490033]

約数ペア:

[(1, 20490033), (3, 6830011), (23, 890871), (69, 296957), (149, 137517), (447, 45839), (1993, 10281), (3427, 5979)]