20121120213

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{3639197}}^1$

素因数の和:3639316

約数の個数: 16

約数和(自身を含む): 28531312320

約数和(自身を除く): 8410192107

約数列:

[1, 3, 19, 57, 97, 291, 1843, 5529, 3639197, 10917591, 69144743, 207434229, 353002109, 1059006327, 6707040071, 20121120213]

約数ペア:

[(1, 20121120213), (3, 6707040071), (19, 1059006327), (57, 353002109), (97, 207434229), (291, 69144743), (1843, 10917591), (5529, 3639197)]