20051538

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{11177}}^1$

素因数の和:11218

約数の個数: 32

約数和(自身を含む): 45069696

約数和(自身を除く): 25018158

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 78, 138, 299, 598, 897, 1794, 11177, 22354, 33531, 67062, 145301, 257071, 290602, 435903, 514142, 771213, 871806, 1542426, 3341923, 6683846, 10025769, 20051538]

約数ペア:

[(1, 20051538), (2, 10025769), (3, 6683846), (6, 3341923), (13, 1542426), (23, 871806), (26, 771213), (39, 514142), (46, 435903), (69, 290602), (78, 257071), (138, 145301), (299, 67062), (598, 33531), (897, 22354), (1794, 11177)]