20565723901

素因数分解:

${\mathrm{67}}^1\times {\mathrm{79}}^2\times {\mathrm{137}}^1\times {\mathrm{359}}^1$

素因数の和:721

約数の個数: 24

約数和(自身を含む): 21353855040

約数和(自身を除く): 788131139

約数列:

[1, 67, 79, 137, 359, 5293, 6241, 9179, 10823, 24053, 28361, 49183, 418147, 725141, 855017, 1900187, 2240519, 3295261, 3885457, 57286139, 150114773, 260325619, 306951103, 20565723901]

約数ペア:

[(1, 20565723901), (67, 306951103), (79, 260325619), (137, 150114773), (359, 57286139), (5293, 3885457), (6241, 3295261), (9179, 2240519), (10823, 1900187), (24053, 855017), (28361, 725141), (49183, 418147)]