20136675

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1087}}^1$

素因数の和:1132

約数の個数: 48

約数和(自身を含む): 37775360

約数和(自身を除く): 17638685

約数列:

[1, 3, 5, 13, 15, 19, 25, 39, 57, 65, 75, 95, 195, 247, 285, 325, 475, 741, 975, 1087, 1235, 1425, 3261, 3705, 5435, 6175, 14131, 16305, 18525, 20653, 27175, 42393, 61959, 70655, 81525, 103265, 211965, 268489, 309795, 353275, 516325, 805467, 1059825, 1342445, 1548975, 4027335, 6712225, 20136675]

約数ペア:

[(1, 20136675), (3, 6712225), (5, 4027335), (13, 1548975), (15, 1342445), (19, 1059825), (25, 805467), (39, 516325), (57, 353275), (65, 309795), (75, 268489), (95, 211965), (195, 103265), (247, 81525), (285, 70655), (325, 61959), (475, 42393), (741, 27175), (975, 20653), (1087, 18525), (1235, 16305), (1425, 14131), (3261, 6175), (3705, 5435)]