20648703488

素因数分解:

$2^9\times 7^2\times {\mathrm{823051}}^1$

素因数の和:823083

約数の個数: 60

約数和(自身を含む): 47992985172

約数和(自身を除く): 27344281684

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 392, 448, 512, 784, 896, 1568, 1792, 3136, 3584, 6272, 12544, 25088, 823051, 1646102, 3292204, 5761357, 6584408, 11522714, 13168816, 23045428, 26337632, 40329499, 46090856, 52675264, 80658998, 92181712, 105350528, 161317996, 184363424, 210701056, 322635992, 368726848, 421402112, 645271984, 737453696, 1290543968, 1474907392, 2581087936, 2949814784, 5162175872, 10324351744, 20648703488]

約数ペア:

[(1, 20648703488), (2, 10324351744), (4, 5162175872), (7, 2949814784), (8, 2581087936), (14, 1474907392), (16, 1290543968), (28, 737453696), (32, 645271984), (49, 421402112), (56, 368726848), (64, 322635992), (98, 210701056), (112, 184363424), (128, 161317996), (196, 105350528), (224, 92181712), (256, 80658998), (392, 52675264), (448, 46090856), (512, 40329499), (784, 26337632), (896, 23045428), (1568, 13168816), (1792, 11522714), (3136, 6584408), (3584, 5761357), (6272, 3292204), (12544, 1646102), (25088, 823051)]