20000565

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{191}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 37739520

約数和(自身を除く): 17738955

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 179, 191, 195, 537, 573, 585, 895, 955, 1611, 1719, 2327, 2483, 2685, 2865, 6981, 7449, 8055, 8595, 11635, 12415, 20943, 22347, 34189, 34905, 37245, 102567, 104715, 111735, 170945, 307701, 444457, 512835, 1333371, 1538505, 2222285, 4000113, 6666855, 20000565]

約数ペア:

[(1, 20000565), (3, 6666855), (5, 4000113), (9, 2222285), (13, 1538505), (15, 1333371), (39, 512835), (45, 444457), (65, 307701), (117, 170945), (179, 111735), (191, 104715), (195, 102567), (537, 37245), (573, 34905), (585, 34189), (895, 22347), (955, 20943), (1611, 12415), (1719, 11635), (2327, 8595), (2483, 8055), (2685, 7449), (2865, 6981)]