20340165

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1$

素因数の和:186

約数の個数: 64

約数和(自身を含む): 37324800

約数和(自身を除く): 16984635

約数列:

[1, 3, 5, 15, 19, 23, 29, 57, 69, 87, 95, 107, 115, 145, 285, 321, 345, 435, 437, 535, 551, 667, 1311, 1605, 1653, 2001, 2033, 2185, 2461, 2755, 3103, 3335, 6099, 6555, 7383, 8265, 9309, 10005, 10165, 12305, 12673, 15515, 30495, 36915, 38019, 46545, 46759, 58957, 63365, 71369, 140277, 176871, 190095, 214107, 233795, 294785, 356845, 701385, 884355, 1070535, 1356011, 4068033, 6780055, 20340165]

約数ペア:

[(1, 20340165), (3, 6780055), (5, 4068033), (15, 1356011), (19, 1070535), (23, 884355), (29, 701385), (57, 356845), (69, 294785), (87, 233795), (95, 214107), (107, 190095), (115, 176871), (145, 140277), (285, 71369), (321, 63365), (345, 58957), (435, 46759), (437, 46545), (535, 38019), (551, 36915), (667, 30495), (1311, 15515), (1605, 12673), (1653, 12305), (2001, 10165), (2033, 10005), (2185, 9309), (2461, 8265), (2755, 7383), (3103, 6555), (3335, 6099)]