16322020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{439}}^1$

素因数の和:485

約数の個数: 72

約数和(自身を含む): 40582080

約数和(自身を除く): 24260060

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 169, 220, 260, 286, 338, 439, 572, 676, 715, 845, 878, 1430, 1690, 1756, 1859, 2195, 2860, 3380, 3718, 4390, 4829, 5707, 7436, 8780, 9295, 9658, 11414, 18590, 19316, 22828, 24145, 28535, 37180, 48290, 57070, 62777, 74191, 96580, 114140, 125554, 148382, 251108, 296764, 313885, 370955, 627770, 741910, 816101, 1255540, 1483820, 1632202, 3264404, 4080505, 8161010, 16322020]

約数ペア:

[(1, 16322020), (2, 8161010), (4, 4080505), (5, 3264404), (10, 1632202), (11, 1483820), (13, 1255540), (20, 816101), (22, 741910), (26, 627770), (44, 370955), (52, 313885), (55, 296764), (65, 251108), (110, 148382), (130, 125554), (143, 114140), (169, 96580), (220, 74191), (260, 62777), (286, 57070), (338, 48290), (439, 37180), (572, 28535), (676, 24145), (715, 22828), (845, 19316), (878, 18590), (1430, 11414), (1690, 9658), (1756, 9295), (1859, 8780), (2195, 7436), (2860, 5707), (3380, 4829), (3718, 4390)]