20180890

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{87743}}^1$

素因数の和:87773

約数の個数: 16

約数和(自身を含む): 37905408

約数和(自身を除く): 17724518

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 87743, 175486, 438715, 877430, 2018089, 4036178, 10090445, 20180890]

約数ペア:

[(1, 20180890), (2, 10090445), (5, 4036178), (10, 2018089), (23, 877430), (46, 438715), (115, 175486), (230, 87743)]