20297835

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{6353}}^1$

素因数の和:6435

約数の個数: 24

約数和(自身を含む): 35684064

約数和(自身を除く): 15386229

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 6353, 19059, 31765, 57177, 95295, 285885, 451063, 1353189, 2255315, 4059567, 6765945, 20297835]

約数ペア:

[(1, 20297835), (3, 6765945), (5, 4059567), (9, 2255315), (15, 1353189), (45, 451063), (71, 285885), (213, 95295), (355, 57177), (639, 31765), (1065, 19059), (3195, 6353)]