20403435

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5507}}^1$

素因数の和:5547

約数の個数: 32

約数和(自身を含む): 37013760

約数和(自身を除く): 16610325

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 741, 1235, 3705, 5507, 16521, 27535, 71591, 82605, 104633, 214773, 313899, 357955, 523165, 1073865, 1360229, 1569495, 4080687, 6801145, 20403435]

約数ペア:

[(1, 20403435), (3, 6801145), (5, 4080687), (13, 1569495), (15, 1360229), (19, 1073865), (39, 523165), (57, 357955), (65, 313899), (95, 214773), (195, 104633), (247, 82605), (285, 71591), (741, 27535), (1235, 16521), (3705, 5507)]