20648601603

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{53233}}^1$

素因数の和:53424

約数の個数: 48

約数和(自身を含む): 35078224896

約数和(自身を除く): 14429623293

約数列:

[1, 3, 7, 9, 21, 47, 63, 131, 141, 329, 393, 423, 917, 987, 1179, 2751, 2961, 6157, 8253, 18471, 43099, 53233, 55413, 129297, 159699, 372631, 387891, 479097, 1117893, 2501951, 3353679, 6973523, 7505853, 17513657, 20920569, 22517559, 48814661, 52540971, 62761707, 146443983, 157622913, 327755581, 439331949, 983266743, 2294289067, 2949800229, 6882867201, 20648601603]

約数ペア:

[(1, 20648601603), (3, 6882867201), (7, 2949800229), (9, 2294289067), (21, 983266743), (47, 439331949), (63, 327755581), (131, 157622913), (141, 146443983), (329, 62761707), (393, 52540971), (423, 48814661), (917, 22517559), (987, 20920569), (1179, 17513657), (2751, 7505853), (2961, 6973523), (6157, 3353679), (8253, 2501951), (18471, 1117893), (43099, 479097), (53233, 387891), (55413, 372631), (129297, 159699)]