16820445

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{593}}^1$

素因数の和:693

約数の個数: 32

約数和(自身を含む): 28283904

約数和(自身を除く): 11463459

約数列:

[1, 3, 5, 15, 31, 61, 93, 155, 183, 305, 465, 593, 915, 1779, 1891, 2965, 5673, 8895, 9455, 18383, 28365, 36173, 55149, 91915, 108519, 180865, 275745, 542595, 1121363, 3364089, 5606815, 16820445]

約数ペア:

[(1, 16820445), (3, 5606815), (5, 3364089), (15, 1121363), (31, 542595), (61, 275745), (93, 180865), (155, 108519), (183, 91915), (305, 55149), (465, 36173), (593, 28365), (915, 18383), (1779, 9455), (1891, 8895), (2965, 5673)]