20474377

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1$

素因数の和:273

約数の個数: 32

約数和(自身を含む): 27060480

約数和(自身を除く): 6586103

約数列:

[1, 7, 11, 29, 53, 77, 173, 203, 319, 371, 583, 1211, 1537, 1903, 2233, 4081, 5017, 9169, 10759, 13321, 16907, 35119, 55187, 64183, 100859, 118349, 265901, 386309, 706013, 1861307, 2924911, 20474377]

約数ペア:

[(1, 20474377), (7, 2924911), (11, 1861307), (29, 706013), (53, 386309), (77, 265901), (173, 118349), (203, 100859), (319, 64183), (371, 55187), (583, 35119), (1211, 16907), (1537, 13321), (1903, 10759), (2233, 9169), (4081, 5017)]