20066748

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{419}}^1$

素因数の和:746

約数の個数: 48

約数和(自身を含む): 50709120

約数和(自身を除く): 30642372

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 307, 419, 614, 838, 921, 1228, 1257, 1676, 1842, 2514, 3684, 3991, 5028, 5447, 7982, 10894, 11973, 15964, 16341, 21788, 23946, 32682, 47892, 65364, 128633, 257266, 385899, 514532, 771798, 1543596, 1672229, 3344458, 5016687, 6688916, 10033374, 20066748]

約数ペア:

[(1, 20066748), (2, 10033374), (3, 6688916), (4, 5016687), (6, 3344458), (12, 1672229), (13, 1543596), (26, 771798), (39, 514532), (52, 385899), (78, 257266), (156, 128633), (307, 65364), (419, 47892), (614, 32682), (838, 23946), (921, 21788), (1228, 16341), (1257, 15964), (1676, 11973), (1842, 10894), (2514, 7982), (3684, 5447), (3991, 5028)]