20196490905

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{10437463}}^1$

素因数の和:10437517

約数の個数: 24

約数和(自身を含む): 35821376448

約数和(自身を除く): 15624885543

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 10437463, 31312389, 52187315, 93937167, 156561945, 448810909, 469685835, 1346432727, 2244054545, 4039298181, 6732163635, 20196490905]

約数ペア:

[(1, 20196490905), (3, 6732163635), (5, 4039298181), (9, 2244054545), (15, 1346432727), (43, 469685835), (45, 448810909), (129, 156561945), (215, 93937167), (387, 52187315), (645, 31312389), (1935, 10437463)]