20732994

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{16223}}^1$

素因数の和:16302

約数の個数: 24

約数和(自身を含む): 45556992

約数和(自身を除く): 24823998

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 16223, 32446, 48669, 97338, 146007, 292014, 1151833, 2303666, 3455499, 6910998, 10366497, 20732994]

約数ペア:

[(1, 20732994), (2, 10366497), (3, 6910998), (6, 3455499), (9, 2303666), (18, 1151833), (71, 292014), (142, 146007), (213, 97338), (426, 48669), (639, 32446), (1278, 16223)]