20197998

素因数分解:

$2^1\times 3^4\times {\mathrm{124679}}^1$

素因数の和:124693

約数の個数: 20

約数和(自身を含む): 45258840

約数和(自身を除く): 25060842

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 124679, 249358, 374037, 748074, 1122111, 2244222, 3366333, 6732666, 10098999, 20197998]

約数ペア:

[(1, 20197998), (2, 10098999), (3, 6732666), (6, 3366333), (9, 2244222), (18, 1122111), (27, 748074), (54, 374037), (81, 249358), (162, 124679)]